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Internet/Network Security/Questions Answered by Expert Dave Mitch
| Subject | Date Asked |
| security in public network | 1/19/2012 |
| Q: David Mitch I normally use the internet at home, but because of work and study I cannot always use ... A: As a generic thumb-rule, I'd recommend that you avoid use of public networks for checking your ... | |
| NAT by ISP | 12/28/2011 |
| Q: I am preparing for CCNA. Me and my trainer have a difference of opinion over ISPs using NAT. I say ... A: The NAT you see on the internal interface of your internet dsl modem is done so as to enable ... | |
| network confusion? | 12/31/2010 |
| Q: could you tell me a little about what the ip address is? people say torrenting is dangerous because ... A: An IP address is like a postal address - something to identify your PC when connected to a network. ... | |
| Viruses | 12/30/2010 |
| Q: For some reason my computer keeps getting attacked by viruses (mostly tracking cookies) even though ... A: Tracking cookies are not viruses. A full definition is available at ... | |
| Wi Fi vs 3G? | 12/29/2010 |
| Q: Dave. I'm also an expert on Allexperts. Don't know if this is your area but I am considering buying ... A: Check the laptop specs. I have not come across any company offering 3G or 4G access through a ... | |
| MP3 sharing | 6/26/2010 |
| Q: Me and an Internet buddy in Europe decide to share MP3 files via email. Both of us use an email ... A: The encryption will not "mitigate your risk". As you are using your company email and forwarding it ... | |
| Protecting clients in a corporate LAN | 6/26/2010 |
| Q: Desktop computers on private networks are normally protected from the Internet by the corporate ... A: USB drives and lax security policies combined with ignorant users are the most common reasons for ... | |
| Internet connection problems | 10/21/2009 |
| Q: I've lost internet on my computer, I've been having problems all week getting online now I can't at ... A: You most probably have a virus / worm - which is not being detected by avast/zone alarm/ adware. I ... | |
| Bizarre Gmail messages, sent and received | 10/19/2009 |
| Q: Dave, Thanks for taking the time to read this email. For the last week or so, I've been received ... A: The screenshot does not reveal much. Anyway, enable your spam filter (if it already isnt). Also ... | |
| orkut | 10/9/2009 |
| Q: i am a student in college.in my college,orkut and some other websites are blocked.i tried using ... A: My first advice is to avoid orkut - atleast while using the college network. It's a major ... | |
| msn security | 10/8/2009 |
| Q: my question is regarding saving msn chat history to my laptops hard drive. is it at all possible for ... A: it is more likely that if someone compromises your msn account - the chat logs would reside on the ... | |
| anonymous surfing | 10/6/2009 |
| Q: I would like to visit websites anonymously. For example, if I visited somebody's webpage, or social ... A: You can use a software like "tor" (download link here -> www.torproject.org/download.html.en )to ... | |
| McAffe Security updates | 10/3/2009 |
| Q: I purchased and installed Mccafe anti-virus through CD. The updates are failing because Mccafe is ... A: If your McAfee is genuine, I would suggest you take a screenshot of the error message windows (Press ... | |
| network attack | 10/3/2009 |
| Q: myself nitin from India . i have an adsl 256kbps net and using kaspersky internet security 2009.sir ... A: Update your XP to SP3. Also use Autopatcher (available as a free download at ... | |
| porn appearing that wasnt downloaded by me | 9/21/2009 |
| Q: I have a secured/firewalled desktop with cable internet. I am constantly finding porn on my computer ... A: What exactly do you mean when you say "cant secure my wireless connection because something that I ... | |
| porn appearing that wasnt downloaded by me | 9/20/2009 |
| Q: I have a secured/firewalled desktop with cable internet. I am constantly finding porn on my computer ... A: You will need to secure your wireless connection. Here are a couple of links which offer guidelines ... | |
| Why does the screen blackout? | 8/21/2009 |
| Q: I've been having a problem with my computer for a few days now. The virus scans all come back clean. ... A: From your query it is not clear as to what the problem could be. Could you answer the following ... | |
| virus | 8/20/2009 |
| Q: My computer will not open any applications. The only thing that will open is internet explorer. ... A: Backup your important data. Format your computer and re-install Windows and other applications. This ... | |
| ip address | 8/18/2009 |
| Q: I recently allowed a family to move into our building, and they share an internet access through our ... A: It is quite likely that the spate of spam & porn is probably due to the browsing habits of the new ... | |
| Firewalls | 8/4/2009 |
| Q: I am currently using Windows XP Professional(SP3), with the firewall turned on, as my operating ... A: Both Norton360 and Windows firewall will not interfere with each other. If you are meticulously ... | |
| Internet connection | 8/2/2009 |
| Q: I ask you a question about another computer (Toshiba Satellite, Windows XP) which was infected with ... A: Firstly, don't change anti-viruses like your toothbrush. Stick to one product. If you run into ... | |
| Full Disclosure | 7/31/2009 |
| Q: In the past, companies would remain silent if they experienced customer data loss for fear of bad ... A: In computer security, full disclosure means to disclose all the details of a security problem which ... | |
| connected to a wifi network but can't access the Internet | 7/29/2009 |
| Q: My neighbor is kind enough to let me use Internet through an unsecured wireless network and things ... A: Change the IP on your laptop to the 192.168.x.y range what you see in your iPod. You will need to ... | |
| connected to a wifi network but can't access the Internet | 7/29/2009 |
| Q: My neighbor is kind enough to let me use Internet through an unsecured wireless network and things ... A: Your description of the symptoms is not very clear on certain aspects. (a) When you say you can ... | |
| connected to a wifi network but can't access the Internet | 7/28/2009 |
| Q: My neighbor is kind enough to let me use Internet through an unsecured wireless network and things ... A: If you want an honest suggestion, stop piggy-backing on your neighbor's wi-fi connection. The money ... | |
| Chat Server Ban | 7/27/2009 |
| Q: I have cyber cafe in syria , a few day ago i got a band server form a chat server in syria because ... A: You have probably been banned on the basis of your IP address. Try connecting to the server by means ... | |
| career related question | 7/7/2009 |
| Q: currently i am doing B.Tech., in future i want to be penetration tester (for networks). i have done ... A: Besides your educational qualification and knowledge of programming languages, what practical skills ... | |
| privacy in shared connections | 7/4/2009 |
| Q: I get connected to the internet through a wireless router and a modem shared by two more people. Is ... A: Technically, it is possible. The scenario is identical to a wired network, where a system ... | |
| what about router security | 7/4/2009 |
| Q: I 've a router. But I don't want to secure t using password. I want to try some thing else which is ... A: The MAC addres of the Network Interface Card (NIC) in your system is unique. The MAC filtering ... | |
| privacy in shared connections | 7/3/2009 |
| Q: I get connected to the internet through a wireless router and a modem shared by two more people. Is ... A: You need to secure your wireless connection if you want to prevent the possibility of other spying ... | |
| Communications error | 7/3/2009 |
| Q: We have a website that 99% of people have no problem accessing (www.primaryteachers.cpdcollege.com) ... A: You could try and host your website on some other hosting providers serrver. The error which the 1% ... | |
| Internet Virus Pro Alerts | 6/14/2009 |
| Q: ..I listed some household items on Craigs List and received 3 e mails from different people all ... A: You can use a free anti-virus software like Comodo. Update it and run a full system scan. Also do ... | |
| ip address problem | 6/14/2009 |
| Q: i have encountered a strange problem. when i ping my college site i.e www.dcrustm.ac.in , it show ip ... A: Your college website has been hosted on IP address 75.126.223.224. This hosting is being done by M/s ... | |
| IP Addresses | 6/12/2009 |
| Q: If someone is receiving harassing emails that show "my" IP address in the "from" portion of the full ... A: First of all, is this a hypthetical scenario or is it actually happening? Meaning, do you know or ... | |
| https:// vs https://www. | 6/12/2009 |
| Q: we are working nights and have no IT help. do you know if it makes any difference if we access a ... A: The www in this case does not make any difference because, the DNS server is resolving (converting ... | |
| Privacy | 6/8/2009 |
| Q: I have a Dell Dimension 4100 running Windows XP Home, running McAfee antivirus. If I type in a ... A: The search capability which you are querying is presently with the Big-Brothers (Uncle SAM and of ... | |
| Ad shows up in my new emails | 6/5/2009 |
| Q: Several months ago I noticed that whenever I start a new email using my hotmail account, I get an ... A: There are two possibilities as to why you are seeing the ad at the bottom of all emails:- (a) ... | |
| Anti-Vir recommands | 6/3/2009 |
| Q: I appreciate for all of your last responses and your kindness in guiding me . If possible help me ... A: As you have correctly diagnosed and described the symptoms, your system appears to be infected with ... | |
| Browser Capability | 6/2/2009 |
| Q: A test was run on my webpage for errors in Dreamweaver. Do you know what these means: User Agent: ... A: Your question is not clear. Where was the test run from ? What were you testing for - I assume ... | |
| Mobile broadband and windows x64 | 6/1/2009 |
| Q: I use a mobile dongle for my broadband internet access at home (we don't have a home phone line ... A: Try the download at the link metioned below: ... | |
| network/internet speed | 5/25/2009 |
| Q: My desktop shows on a speed test of 5.5 mbps and my laptop shows 1.6 mbps does the router slow down ... A: The congestion on your laptop need not be only due to the router only. Have you tried tweaking your ... | |
| connection problems | 5/25/2009 |
| Q: heres my problem, when i sign in to my wireless, it says im connected but i receive very few ... A: Open Network Connections. Right click Wireless Network Connection. Select Properties. Under the ... | |
| Hidden internaet access | 5/19/2009 |
| Q: My new anti-virus software at work (Vista) notifies me when a program tries to access the internet ... A: All antivirus/firewall software have this capability of identifying stray outbound TCP connections ... | |
| Internet problem, file problem | 5/14/2009 |
| Q: For the last few days my Internet is very slow in loading as well as downloading. I found the ... A: Your system could be infected with a virus/worm. To confirm open a command prompt (click on Start ... | |
| drop in browsing speed | 5/6/2009 |
| Q: i have a adsl internet connection (from phone line) (upto 2 mbps speed),on windows xp sp2. i ... A: You can "clean" your browser cache, private data such as browsing history, cookies, offline-website ... | |
| pc too slow | 5/5/2009 |
| Q: My operating system is microsoft xp and it runs slow at startup and is slow to upload websites. I ... A: You should uninstall McAfee if you find Comodo meets your requirements of security. By all means ... | |
| Installing antivirus in 500 computers | 5/4/2009 |
| Q: I need to install antivirus on 500 computers. I don´t want the computers to access internet to get ... A: You can setup a Symantec offline server. This offline updates server will cater for the updates - ... | |
| Security messed up IE not working properly | 5/1/2009 |
| Q: I ran Malwarebytes, it said registry items infected Hkey local machine microsoft security disabled- ... A: What exactly is the "stream error message" ? Many errors with internet explorer are caused by bad ... | |
| Port blocking | 4/30/2009 |
| Q: I'm a sysadmin at school and I'm looking for a way to block port 80 (and possibly other ports) from ... A: Squid transparent proxy should meet your requirement. The Official site is here-> ... | |
| ISO image files | 4/26/2009 |
| Q: I know I sent you this before but I am dying over here. I may become unemployed in less than 24 ... A: My PAYPAL Merchant Account ID: 739VMN4WVCQXC Please send 10$ to this account. Subsequently, I will ... | |
| XP and Admin password | 4/26/2009 |
| Q: Believe me or not I am an IT tech and made 2 very bad mistakes today while connecting a new clients ... A: My PAYPAL Merchant Account ID: 739VMN4WVCQXC Please send 10$ to this account. Subsequently, I will ... | |
| Hacked IP address | 4/26/2009 |
| Q: I have a DSL internet connection with DHCP. I am very concerned as a hacker just found out my ... A: Never click on links sent by strangers - especially while chatting and also through email ... | |
| XP and Admin password | 4/25/2009 |
| Q: Believe me or not I am an IT tech and made 2 very bad mistakes today while connecting a new clients ... A: I'll give you an open source solution (free option) to try. The download links are here @ ... | |
| Hacked IP address | 4/25/2009 |
| Q: I have a DSL internet connection with DHCP. I am very concerned as a hacker just found out my ... A: How do you say that you have been "hacked" ? Somebody getting to know your public IP address does ... | |
| XP and Admin password | 4/25/2009 |
| Q: Believe me or not I am an IT tech and made 2 very bad mistakes today while connecting a new clients ... A: There ia customized a Linux distro which I have developed which contains a few password ... | |
| How safe is HTTPs | 4/18/2009 |
| Q: Dave Mitch I am using proxy servers like kproxy for anonymous browsing. I would like to know if ... A: And certainly kproxy wont prevent your ISP from "seeing" your traffic. But most likely your ISP ... | |
| pc too slow | 4/18/2009 |
| Q: My operating system is microsoft xp and it runs slow at startup and is slow to upload websites. I ... A: How long has it been since you have de-fragmented your hard disk ? Do that first. Have a look at ... | |
| languages related to network security | 4/17/2009 |
| Q: i am currently doing my B.Tech. i want to make my career in ITS. could you tell me which languages ... A: You are again going by popular misconceptions - that java is generally used in the animation ... | |
| Privacy | 4/14/2009 |
| Q: We're not sure where to begin, but here goes: How can one anonymously surf the internet...do any ... A: Anonymiser software provide basic levels of anonymity usually by means of a proxy server. Tor is a ... | |
| local area connection activity | 4/13/2009 |
| Q: In Windows XP home Local Area Connection Status, I see activity (packets sent and received) every ... A: If you have a background application (Firewall, anti-virus) or any software which is looking for ... | |
| network security | 4/8/2009 |
| Q: I have my home computer connected to a laptop with a wireless router. On my home PC when I access ... A: When a login is completed, a “session” is created to maintain an identity and related information ... | |
| Spyware | 4/3/2009 |
| Q: I have a problem. It's a long story, but the nutshell is that a few years ago, I was the victim of ... A: The first thing is to report the incident. Report the email (sender IP / address etc.) to your ... | |
| anonymous browsing | 4/2/2009 |
| Q: is there a way the webpage owner or internet site could tell that I visited - via some kind of foot ... A: Hotspotshield provides a secure connection between your laptop and the Wi-Fi Access point. No one ... | |
| What is buffer overflow?? | 4/2/2009 |
| Q: This morning, I had a McAfee warning about a "buffer overflow" pop up. It is to do with IE. Almost ... A: The McAfee anti-spyware is probably not effective in catching this malware. SpyBotSD should not ... | |
| What is buffer overflow?? | 4/2/2009 |
| Q: This morning, I had a McAfee warning about a "buffer overflow" pop up. It is to do with IE. Almost ... A: Buffer overflow is a common way of exploiting a software bug. It is generally used by malware like ... | |
| router | 3/31/2009 |
| Q: As I read your answer, Kaspersky warned of a worm trying to get into my pc again. Could you finish ... A: Worm trying to get into your PC does not mean a hacker is trying to do it. A worm by nature is self ... | |
| Hacking and router | 3/30/2009 |
| Q: This is who posted the keyloggers question. I can't read your full answer by clicking on the ... A: Take the DSL connection you are intending to. Change the default passwords on the DSL router, your ... | |
| firewall will not come windows vista | 3/30/2009 |
| Q: my computer did a automatic tune-up and now my firewall will not come it was working before the ... A: what exactly do you mean by an "automatic tune-up" ? use the Vista System Restore to get back the ... | |
| keyloggers, hacking & router | 3/27/2009 |
| Q: I recently discovered someone in my home put keyloggers on my pc. I bought a new pc and plan to ... A: your queries are (a) Is your computer still compromised ? (b) If it isn't can somebody hack into it ... | |
| network | 2/15/2009 |
| Q: please tell me what is ENDUSER A: The end-user is a concept in software engineering, referring to an abstraction of the group of ... | |
| Kaspersky Internet Security | 2/13/2009 |
| Q: i installed Kaspersky Internet security 2009 on my laptop with Windows XP, once i put the system on, ... A: check the system date, it maybe off by a couple days. You can try fully un-installing Kaspersky & ... | |
| Make my website is the first one in google? | 2/11/2009 |
| Q: How to make my website is the first one in google ?? does it depends on web hosting we are using? or ... A: You need to use a technique called Search Engine Optimization or SEO. To start with you can begin ... | |
| security enabled wireless network key | 2/9/2009 |
| Q: i am the idiot who picked a my network key and did not write it down, only to forget it. how do i ... A: Log into your router and look at the security settings. Most routers allow you to set them via a ... | |
| Norton | 2/4/2009 |
| Q: how secure is Norton firewall? Norton 360 v2.0 A: I'd suggest you opt for Kaspersky Internet Security 2009. It is a better product in comparison to ... | |
| internet permission | 1/28/2009 |
| Q: i am using broadband connection through hub for internet. I have computers having Windows Vista. I ... A: A very good question. Use the User Account Control (UAC) a security component in Windows Vista to ... | |
| Remote Viewing | 1/26/2009 |
| Q: I have an important question, I'm an admin on my office network, and there are 2 more admins. I ... A: Disable Remote Desktop by using Group Policy -> procedure listed in the link below ... | |
| can't update various software online | 1/21/2009 |
| Q: I've been having update problems for a while now. It started with AVG Anti Virus 8 Free Edition not ... A: Your laptop is probably infected. The malware is apparently preventing any access to security ... | |
| Yahoo & Popups | 1/19/2009 |
| Q: Dave, Thank you for your time and expertise. My question is as follows: I am running Mint (based on ... A: Update your browser to the latest version. Mozilla Firefox (3.0.5) is a good option. Also use the ... | |
| window update icon | 1/16/2009 |
| Q: When I click the window update icon, just saw a flash and would not bring me to the web page. If I ... A: Open your browser and go to the website http://windowsupdate.microsoft.com and download the updates. ... | |
| career issue | 1/9/2009 |
| Q: i want to be in field of network security . i just want to ask you what should be my first step in ... A: You can start with the "Hacking Exposed" series of books. Visit the Security Focus Website ... | |
| Web Security Filter | 1/8/2009 |
| Q: I would like to block the porn websites/any unwanted websites without installing any software. Can ... A: gpedit is basically a Group Policy Editor. With this you can set the local security policies. ... | |
| I can't see it but I know it's there | 12/18/2008 |
| Q: I had to reformat my hard drive because of a virus and the fact that a hacker locked me out of my ... A: You can disable the local administrator account if you don't like it. See the procedure listed in : ... | |
| I can't see it but I know it's there | 12/17/2008 |
| Q: I had to reformat my hard drive because of a virus and the fact that a hacker locked me out of my ... A: Windows XP has a default system account called Administrator. Are you able to change the password ... | |
| wireless connected, firewalled | 12/7/2008 |
| Q: I have 3 home computers and one wireless router in my house - all work fine. At my working place I ... A: you could have accidentally enabled the firewall (I'm assuming that you are talking about a Windows ... | |
| Banned IP | 12/4/2008 |
| Q: Hope you are fine and doing well, Only for Educational purpose to learn something, 1Q. I want to ... A: 2Q. the website needs to communicate with a client or your client would need to speak to other ... | |
| internet problem | 12/1/2008 |
| Q: I am unable to upload my video on youtube , I don't know why? because last month I have uploaded ... A: Ensure the file format is correct before uploading to youtube... Using windows movie maker -- you ... | |
| security | 11/15/2008 |
| Q: Dave I've accessed my online banking in an internet cafe How likely is it that somebody else may ... A: plenty of online articles on the subject are available. here are a few at Online Banking: Tips for ... | |
| PACKETLOSS HAMACHI | 11/13/2008 |
| Q: I have 3 computers who are connecting through a siemens sx762 gigarouter All 3 pcs have an hatachi ... A: Since Hamachi uses UDP traffic to create the peer to peer tunnels, some environments may be ... | |
| Monitoring employees | 11/11/2008 |
| Q: Most employers generally monitor web surfing and e-mail messages of their employees. Can you tell ... A: besides the ethical and privacy issues, the technical aspects of implementing employee monitoring ... | |
| Internet Explorer hijacked!? | 11/6/2008 |
| Q: My computer recieves and sends email but I cant get online. It wont even let me open internet ... A: Well you have a simple problem but tricky to solve. The easiest approach I can recommend is to ... | |
| Cant access internet | 11/5/2008 |
| Q: I have a problem with one of my two home computers. I can get email but the screen hangs when I try ... A: Install and run SpyBot-Search&Destroy from http://www.safer-networking.org/index2.html You also ... | |
| online identity | 10/31/2008 |
| Q: I know that my computer somehow has an identity when I get online. Is there a way a website I ... A: a website can identify a computer by HTTP cookies (commonly know as internet cookies - see ... | |
| IP blocking | 10/24/2008 |
| Q: I would like to know if a specific IP address can be used as a "blocker". ..example: if someone was ... A: It is possible to "spoof" one's own IP and it is also possible that others are doing the same. ... | |
| ISA server | 9/23/2008 |
| Q: I'm trying to block video calls from msn messenger on ISA firewall. I have searched all over the ... A: what you are looking for is here (How to block MSN Messenger traffic and Windows Live Messenger ... | |
| Do smarttags spy? | 8/24/2008 |
| Q: "1: I recently received an email attachment: a PDF file created by WordPro and sent to me via ... A: Smart tags are a feature found in later versions of Microsoft Word, and beta versions of the ... | |
| Firefox trouble | 8/12/2008 |
| Q: I'm using firefox as my internet browser. The problem is that after installed mcafee antivirus to ... A: Remove all McAfee programs using the McAfee removal tool and do a custom install. Install the McAfee ... | |
| Cookies are not getting accepted/set in IE; Firefox is not opening at all | 8/4/2008 |
| Q: I've been facing this strange problem since yesterday. My laptop (DELL Inspiron 6000, Windows XP) ... A: Most likely, you stumbled across a javascript loop and it became a memory leak. Click Start > All ... | |
| email access | 7/25/2008 |
| Q: how do I find out how got into my aol mail? is there a way for me to track down ip address or time ... A: Your email provider is the only one who can give you the IP details of the machines from where your ... | |
| Screen Saver | 7/22/2008 |
| Q: I have some clown at work, that added a unwanted photo to my screen saver via network system. I ... A: Look in Windows Explorer under the Tools - Folder Options - View tab (a) Select Show Hidden Files ... | |
| Finding ISPs | 7/19/2008 |
| Q: How do I find the ISP for a given website/Domain? Thank you. ANSWER: There are plenty of online ... A: The traceroute is giving a listing of hops along which the packet travels between the host (for ... | |
| protection for windows xp sp2 | 7/19/2008 |
| Q: Dave what softwares do you recommend are great for protecting your computer (with windows xp sp2)? ... A: Firstly, upgrade to SP3. Its available at plenty of mirrors. (Check this one at ... | |
| sharing internet connection | 7/18/2008 |
| Q: I want to setup my internet connection with 2nd desktop in my home without paying for extra ... A: How are you presently connecting to the internet ? For sake of simplification here, I shall assume ... | |
| Finding ISPs | 7/16/2008 |
| Q: How do I find the ISP for a given website/Domain? Thank you. ANSWER: There are plenty of online ... A: Use the traceroute (in Windows tracert) command to the domain/IP whose ISP you want to determine. ... | |
| software | 7/5/2008 |
| Q: Seems like every few months my internet surfing becomes very slow, especially after I download ... A: Your system has 256MB of RAM. Under normal conditions a Windows system needs atleast 512 MB and ... | |
| limited or no connectivity | 7/5/2008 |
| Q: Two days ago one of my family members went on our router's ip address site 192.168.2.1. and they ... A: Open your web browser and type the IP address of the TEW-452BRP in the address bar. The default IP ... | |
| software | 7/4/2008 |
| Q: Seems like every few months my internet surfing becomes very slow, especially after I download ... A: Since your problem of Internet slowing down seems to re-occur it could apparently be due to an old ... | |
| System intrusion | 7/3/2008 |
| Q: It appears a program has been placed on my system that is in effect making my computer spam others. ... A: You need to first sanitize your system. There are many ways of doing this. Your existing "e-mail ... | |
| Static IP Addresses | 6/24/2008 |
| Q: I have a "dumb" question. We are getting an installation at our office from a company called Logix. ... A: A good description is available on wikipedia at ... | |
| Trouble accessing .mil and .gov websites. | 6/18/2008 |
| Q: I'm hoping you can help me. I work for a small contractor and we have 5 computers in our office (3 ... A: Check the IP, Subnet mask and gateway entries on the laptop on which you want to check the ... | |
| Bank and Paypal | 6/5/2008 |
| Q: My question is regarding a transaction between The Royal Bank of Canada and Paypal . Using a ... A: Was the e-cheque transaction between your bank account and Paypal on a secure (https ) connection ? ... | |
| IE v7 won't connect | 9/4/2007 |
| Q: This isn't an actual security issue, but I didn't see a browser software category on AllExperts. My ... A: The problem is probably the system files which IE needs and are corrupt. Are you able to roll-back ... | |
| strange virus | 9/2/2007 |
| Q: I have an ADSL connection here in Iran.I use win xp.Recently I found out that my connection speed ... A: The reason why the virus is not being detected is that you are scanning after booting from the ... | |
| SSDP | 8/29/2007 |
| Q: The SSDP in Run, services.msc, ( see bottom) is now in disable. I tried to change it to Auto many ... A: Some services may not start when you upgrade a computer to Windows XP Service Pack 2 or to Windows ... | |
| unauthorized websites | 8/24/2007 |
| Q: Are there any websites specifically banned by Internet providers inside the united states? Or can ... A: specific sites are often banned - mainly due to malicious content, pornogaphy, spam. There are ... | |
| IT advice | 8/23/2007 |
| Q: I am looking into pursuing either a Master's degree in a computer related field or working on ... A: To be honest with you, your question requires more thought than merely dishing out the kind of ... | |
| Home Wireless Security | 8/19/2007 |
| Q: I just set up my first router/notebook combo in my house and wanted to make sure I have a reasonable ... A: Security is a continuous process which evolves and depends upon user requirement, protection / ... | |
| Internet Hack? | 8/12/2007 |
| Q: I have been using the site www.youtube.com for quite some time. But, of late, whenever I try to open ... A: it appears your system has been infected by "spyware". You can use SpybotSD to clean and disinfect ... | |
| antivirus, trojan malware spyware | 8/1/2007 |
| Q: i simply would like you to identify which softwares i should use to protect my system from all ... A: There is a huge variety of products available. Try a mix-and-match to suit your requirements on the ... | |
| Linksys Wireless Network for home | 7/31/2007 |
| Q: For Some reason the directions that came with the linksys router are not to clear for a rookie like ... A: The site http://portforward.com/routers.htm gives a VERY comprehensive step-by-step instructional ... | |
| hi | 7/21/2007 |
| Q: i ahve a lpatop and am wondering if its suceptible to a virus or key logger whtehr hard ware or ... A: A keylogger is the simplest but probably the most potent type of spyware these days. Somebody has to ... | |
| hi | 7/14/2007 |
| Q: what r the methods by which someone could get my email password and /or hack my email or access to ... A: Here are two links for your questions. The first is for how key loggers work (at ... | |
| hi | 7/14/2007 |
| Q: what r the methods by which someone could get my email password and /or hack my email or access to ... A: Your email address CANNOT be "hacked". The only possible way to access your email, is by knowing ... | |
| Firewall testing | 7/13/2007 |
| Q: My question is: If I have all my ports shielded by a firewall for example - how is it I can still ... A: Leak tests are small, non-destructive, programs designed by security experts that deliberately ... | |
| Firewall testing | 7/13/2007 |
| Q: My question is: If I have all my ports shielded by a firewall for example - how is it I can still ... A: Its a good question. The firewall is basically designed to restrict outsiders from getting into your ... | |
| Personal info safety | 7/10/2007 |
| Q: Lately everything I sign up for online asks for my date of birth; contests, etc. Why do they need ... A: You do not have to give any true / factual information to every site you happen to login. It is ... | |
| restricted web sites | 7/9/2007 |
| Q: I've been having a problem accessing into certain websites,getting the message "You are trying to ... A: What sites are you getting these errors from ? The error is a 401 type of browser error indicating ... | |
| Website filtering/blocking | 7/9/2007 |
| Q: I have a Network that is running two Win 2003 Server DC's, a primary and a Secondary DNS Servers. I ... A: You can use Squid Proxy to implement Access Control Lists, to block / restrick specific IPs or ... | |
| AIM security question | 7/6/2007 |
| Q: i am trying to delete my aim account and to do so i need the answer to the security question but i ... A: Do you "have" to delete the account ? If it is a desperate issue, you could call AOL® Member ... | |
| IE7 Security Warning | 7/5/2007 |
| Q: I cannot avoid security warning even though I have added site to "trusted". Can you please test ... A: The site appears to have a problem with the certificate which is used during any online transaction. ... | |
| Download Problem | 7/1/2007 |
| Q: My hard-drive went bad in my computer.I had a friend install a new one,once it was installed it now ... A: Is the computer trying to re-install Windows XP when you switch on the system with the disc in the ... | |
| modular exponentiation inverse | 7/1/2007 |
| Q: I have a problem with attacking RSA algorithm by using short plain text attack. I couldn't compute ... A: Bignum modpow(Bignum b, Bignum e, Bignum m) { Bignum result = 1; while (e > 0) { if ... | |
| ADSL Internet Connection Disconnecting | 6/27/2007 |
| Q: I have an ADSL Internet connection of between 5.9 to 6.1 Mbits/s (this is what I read in the icon) ... A: If you are using any peer-to-peer (P2P) software, this is a known cause for router slow downs and ... | |
| Tracking files that have been transferred via USB | 6/25/2007 |
| Q: I was wondering if there is any way to tell what files have been transferred via a jump or flash ... A: If your requirement is to restrict/prevent the use of USB devices you could implement a Group Policy ... | |
| https followup | 6/24/2007 |
| Q: I can not browse any http web page neither in IE nor Mozilla where I need to login to ... A: What happens if you run IE7 as administrator, right click > "Run as Administrator" does the webpage ... | |
| https | 6/23/2007 |
| Q: I can not browse any http web page neither in IE nor Mozilla where I need to login to ... A: From your reply, it appears that your net connectivity is OK. The ping command command does not ... | |
| https | 6/23/2007 |
| Q: I can not browse any http web page neither in IE nor Mozilla where I need to login to ... A: These are two separate questions. First of all, your not being able to browse any http web page. Are ... | |
| Unwanted application running in my task bar | 6/19/2007 |
| Q: I cannot change my Homepage in the internet explorer I found out some Malware.aj virus/worm in my ... A: You have been "browser-jacked". To remove try Kaspersky (http://www.kaspersky.com/trials) or Zone ... | |
| Security Settings Problem | 4/20/2007 |
| Q: For some reason, lately my internet has encountered a lot of problems. Whenever I attempt to ... A: this sounds like an IE setting, have you checked your security settings under TOOLS > Security. ... | |
| configuration of pix 515e firewall for a small workgroup | 4/14/2007 |
| Q: how can i configure a pix 515e firewall for a small workgroup? im a beginner in this field so kindly ... A: Cisco has an excellent document at ... | |
| Zone Alarm Security Suite [ZASS] | 3/23/2007 |
| Q: With Zone Alarm(FREE) the "Leak Test" from Gibson Research Corp(www.grc.com) always passed the leak ... A: If your Zone Alarm was configured for Medium or Higher "Program Control" it would have prompted you ... | |
| Multiple login | 9/7/2006 |
| Q: i used to work on this educational website where i used to proxy for students who had no time to ... A: This is an interesting problem to work on. The site you wish to work on, with simultaneous multiple ... | |
Internet/Network Security
Answers by Expert:
Dave Mitch
Top Expert on this page
Expertise
Trouble shooting in any of the following areas: Virus / Spy-ware / Mal-ware issues, Windows, Linux, virtual environments such as VMWare, Virtual ToolBox. Vast and varied hands-on expertise in a range of open source network security tools and utilities.Have worked on projects requiring practical implementation and configuration tweaking of Intrusion Detection / Prevention Systems, Enterprise-class Patch Management Solutions, Customization of Network Audit Framework and Penetration Test Tool Compilation. Consultant for corporations, NOCs (Network Operations Centres) in the area of Virtual appliances for office(and home) environments for secure browsing / traffic monitoring / Anti-spam / "anti-phising" with content filtering capability.
Experience
Virus/Spyware/Malware trouble shooting, Windows, VMWare, Linux. With over 10 years of industry experience in the Information Security field, I would be able to offer my experience and time to solve your problem. If any solution requires more time and effort or you require a customized product, I would be able to do so for a small fee.
Organizations
FA Inc.
Education/Credentials
Graduate Degree in Computer Science
Awards and Honors
CCNA
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