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About Denis Mello
(Top Expert on this page)

Expertise
I understand the principles and the application of Network managament, from the OSI schema to mechanisms of detection, intrusion, security issues and vulnerabilities, how-to-attack and defend from crackers. I always look to be updated with the latest security holes. I also know OS like Windows 2k, 2k3, Linux, HP-UX and Solaris as best as other platforms.

Experience

Past/Present clients
General Motors, VIVO, Petrobras, OptiGlobe, Brazil Telecom, Hewlett-Packard.

   

You are here:  Experts > Computing/Technology > Internet/Network Security > Internet/Network Security

SubjectDate AskedExpert

Related to asp.net website security vulnerability2/17/2008Denis Mello
  Q: I am Amol Kothawade from India. I am Software Professional working on asp.net Projects. I had ...
  A: Would you please suggest me some good stuff to learn ASP? Thanks in advance. Vinny! ...
Group Policy Editor2/15/2008Paul Walsh
  Q: Is there any way to create a user belonging to restricted group and apply user policy (using group ...
  A: Rather than doing this manually with gpedit.msc I suggest that you download this: ...
Group Policy Editor2/15/2008Denis Mello
  Q: Is there any way to create a user belonging to restricted group and apply user policy (using group ...
  A: Try using this tool: http://www.mediafire.com/?2a1d0jleawc or the following article: Description of ...
Block My IP Address?2/14/2008Denis Mello
  Q: I was wondering if there is a way to protect my computer by blocking other users or hackers from ...
  A: Landon. This is quite possible. For blocking other users you will have to install and configure a ...
Block My IP Address?2/14/2008Commander Chris Wagoner
  Q: Very impressive bio, I feel as if my silly little question is not worthy of your time...but here ...
  A: Don't feel silly at all, this is actually a good question. As for blocking your IP, if you really ...
Block My IP Address?2/14/2008Paul Walsh
  Q: I was wondering if there is a way to protect my computer by blocking other users or hackers from ...
  A: You cannot normally block your IP address, because this is what you automatcially get from your ISP ...
Block My IP Address?2/14/2008Drew Williams
  Q: I was wondering if there is a way to protect my computer by blocking other users or hackers from ...
  A: Okay, I had some info (I think I stole it from someone else), which could offer you some insight, ...
parental control2/13/2008Commander Chris Wagoner
  Q: i want to control internet running on my lan from pornographic sites can i do that having a slow ...
  A: I am glad to hear you are concerned about your childrens safety on the Internet. There are programs ...
Bot question2/12/2008Denis Mello
  Q: I read all the time about zombie computers. Is there an absolutely 100% foolproof tool available ...
  A: There is not a 100% tool that checks the computer for zombies, because they may be either well-know ...
security question2/7/2008Denis Mello
  Q: My husband and I just started using several new security programs. Most seem to be working well. ...
  A: I'm doing fine. How are you? Sorry for the delay. Regarding to your security programs, the only I ...
Graphic Completion Security2/7/2008Denis Mello
  Q: What is the name that is applied to the boxes where you visually interpret and write down some ...
  A: There are some terms that applies for that. The main used are: - Encryption of Image Decompression - ...
BellSouth Password Change Tool?2/5/2008Commander Chris Wagoner
  Q: Three months ago, I was using dial up internet from PeoplePC and upgrading to DSL (from the same ...
  A: Sorry your still having trouble. What Anti-virus software are you using? It sounds a lot like you ...
writing directly into a secured device2/4/2008Denis Mello
  Q: Is there any USB device, or any other device, that I can insert data into, WITHOUT it never being ...
  A: TO be honest I don't know this program or device. If you have the webpage which contains more ...
writing directly into a secured device2/3/2008Commander Chris Wagoner
  Q: Is there any USB device, or any other device, that I can insert data into, WITHOUT it never being ...
  A: Hey Gabe, Why are you so concerned about Turbo Tax writing files to your hard drive? Turbo Tax ...
writing directly into a secured device2/2/2008Commander Chris Wagoner
  Q: Is there any USB device, or any other device, that I can insert data into, WITHOUT it never being ...
  A: If you install a USB drive (or any drive for that matter) and when on the internet, are downloading ...
writing directly into a secured device2/2/2008Denis Mello
  Q: Is there any USB device, or any other device, that I can insert data into, WITHOUT it never being ...
  A: Before responding your question it's worth to mention that the letters C: D: or whatsoever are just ...
BellSouth Password Change Tool?2/1/2008Commander Chris Wagoner
  Q: Three months ago, I was using dial up internet from PeoplePC and upgrading to DSL (from the same ...
  A: You did not say if you tried to remove the spyware. If you have not, you need to download two ...
BellSouth Password Change Tool?2/1/2008Paul Walsh
  Q: Three months ago, I was using dial up internet from PeoplePC and upgrading to DSL (from the same ...
  A: I need to ask, have you got DSL at the moment? If you do, then open Internet Explorer, click ...
BellSouth Password Change Tool?2/1/2008Denis Mello
  Q: Three months ago, I was using dial up internet from PeoplePC and upgrading to DSL (from the same ...
  A: I gonna believe them. Maybe you machine has been infected with some spyware. It is a little bit ...
List of Websites visited1/29/2008Drew Williams
  Q: Sir, i want to know how i can show the list of all the web sites visited from using internet account ...
  A: That's not likely to be available. Websites visited are stored in the cache memory of the local ...
List of Websites visited1/25/2008Drew Williams
  Q: Sir, i want to know how i can show the list of all the web sites visited from using internet account ...
  A: Here are a few ways you can audit your browsers (including a few "hidden" locations): Bookmarks / ...
Internet connection problems1/24/2008Denis Mello
  Q: Every couple of minutes or so the little yellow exclamation icon in the system tray pops up ...
  A: Sorry for the delay. I've been busy last days. I guess your network has been hacked. One important ...
Internet connection problems1/23/2008Commander Chris Wagoner
  Q: Every couple of minutes or so the little yellow exclamation icon in the system tray pops up ...
  A: OK since you have added information that helps let me ask a few more. What OS are you using? What ...
Internet connection problems1/22/2008Commander Chris Wagoner
  Q: Every couple of minutes or so the little yellow exclamation icon in the system tray pops up ...
  A: I am going to take a shot here that you have cable Internet or DSL. It may very well be your ...
Codec security problems1/19/2008Denis Mello
  Q: I am having some problem to play some of the videos, often due to the lack of the proper codec. I do ...
  A: You're right. Some are unsafe because they can install malicious softwares in your PC. I do not know ...
Opening my home network safely1/15/2008Commander Chris Wagoner
  Q: I am swayed by Bruce Schneier's article "Steal my Wifi" on opening your home network: ...
  A: All you really need to have is a good firewall, a good virus software, and one or two malware ...
Opening my home network safely1/15/2008Commander Chris Wagoner
  Q: I am swayed by Bruce Schneier's article "Steal my Wifi" on opening your home network: ...
  A: If you have a well secured computer you have very little to worry about. If you have good software ...
md51/12/2008Commander Chris Wagoner
  Q: Sir, I have joined in a contest for which i need to download and use a file. i have downloaded it. ...
  A: A bin file is one of the CD/DVD image formats. A BIN file is a binary copy of an entire CDs/DVDs ...
Can cookies magically appear?1/4/2008Sean-Philip Oriyano
  Q: I used Index Dat Spy to see what was on my computer. (This was prompted by someone alerting me to my ...
  A: I believe this utility will only work for the active user as it is looking in the Registry section ...
Can cookies magically appear?1/4/2008Sean-Philip Oriyano
  Q: I used Index Dat Spy to see what was on my computer. (This was prompted by someone alerting me to my ...
  A: In answer to your question, yes cookies can get put on your machine by a site that you didn't visit. ...
content filtering1/3/2008Commander Chris Wagoner
  Q: I am using DansGuardian as a content filter for about 200 computers including those used by students ...
  A: Yes that is a common problem. I run the computer labs here at the police academy and have worked ...
spyware12/28/2007Commander Chris Wagoner
  Q: I have been told buy a few computer techs that some spyware is infecting my laptop and should have ...
  A: Well here is how you tell if your computer (laptop) is infected with spyware. If your computer ...
wireless router12/27/2007Commander Chris Wagoner
  Q: I have a belkin wireless router 802.11g (model # F5D7230-4). My computer says that i am connected ...
  A: Well sounds like its the router if you have tried other computers and they will not connect. SO if ...
Internet connection12/24/2007Commander Chris Wagoner
  Q: I have a weird Internet connection issue. I have a laptop (with an internal wireless card). ...
  A: Try this. Open IE7, click on Tools Click on Internet Options Click on security tab On this tab near ...
Tracing IP Address12/19/2007Commander Chris Wagoner
  Q: I run a diet-related group, focusing on an unusual diet.I've had a few problems with trolls in the ...
  A: You are right, I am owner of several Yahoo groups myself. And there is no way to see the IP Address ...
Tracing IP Address12/19/2007Commander Chris Wagoner
  Q: I run a diet-related group, focusing on an unusual diet.I've had a few problems with trolls in the ...
  A: First I need to know what program or service you are using to run your group. I moderate several ...
history12/17/2007Commander Chris Wagoner
  Q: how can i stop google toolbar suggestions and history from popping up whenever i type something in? ...
  A: I am going to guess your using Internet Explorer 6 or 7 so I will give you the directions for both. ...
zone alarm12/13/2007Commander Chris Wagoner
  Q: ! i almost fell over after reading all those things you can do!! well, i have xp home, and zone ...
  A: You have encountered the most common cause of lost files! I forget where I put them all the time. ...
administrator rights and wrongs with Vista Business12/12/2007Jesse H.
  Q: Much thanks in advance. Brief scenario: Our friend let a next door neighbor ("computer expert for a ...
  A: It is certainly possible that this guy did something to give himself access to the network. I would ...
about IP12/6/2007Commander Chris Wagoner
  Q: how many IP addresses are in use in Pakistan. ANSWER: Hi Majeed, Well first you have to know that ...
  A: Maybe there is a communication gap here. I explained that in detail in my previous answer. You can ...

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Active Experts:
Ramon ZammitDenis MelloAmit
Sean-Philip OriyanoDave MitchDaniel Fredriksen
   

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