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Forum: Security

Post here for help with Linux security issues: antivirus, firewalls, encryption, vulnerabilities, etc

  1. Sticky Thread Sticky: A short guide to Linux security

    Here at we are often asked about the potential threat of a virus or malware attack. This short guide is designed to answer some of...

    Started by fingal, 02-25-2006
    • Replies: 1
    • Views: 72,352
    01-11-2010 Go to last post
  1. port

    is there any command to check whether internet connection is available at a certain port or not??

    Started by kaushik016, 01-31-2011
    • Replies: 1
    • Views: 688
    02-01-2011 Go to last post
  2. default password !!!!!!

    a big holler out to all da linux experts .... am facing a lil issue here with UBUNTU 10.10 i jus managed to install it ,, nd i only set...

    Started by mackubex, 01-29-2011
    • Replies: 8
    • Views: 2,136
    02-01-2011 Go to last post
  3. BitTorrent - problem?

    I know that sites that uses BitTorrent are not entirely trustworthy, but is there any problem in Linux, as I'm thinking of downloading something...

    Started by TheStig95, 01-27-2011
    • Replies: 2
    • Views: 944
    01-28-2011 Go to last post
  4. DOS attack and IRC Server install

    Hi, I have a server with 1and1 - I've had notifications from them that my server has been attacked and is currently infected: These are the...

    Started by wmguk, 01-28-2011
    • Replies: 1
    • Views: 3,792
    01-28-2011 Go to last post
  5. Squid Installation Problem

    Hello all, recently upon installing Squid I am pretty sure the install went fine until i get this whenever i try to do something: FATAL: Unable to...

    Started by dirtydog7655, 01-25-2011
    • Replies: 1
    • Views: 5,547
    01-26-2011 Go to last post
  6. Pts

    Can someone tell me what "pts" means in konsole?:)

    Started by timepilot, 01-18-2011
    • Replies: 4
    • Views: 1,217
    01-25-2011 Go to last post
  7. linux hardening

    Hi, Which is the best remote linux hardening GUI tool.Is it posible to use that tool from windows system ? Thanks

    Started by rajeshku, 01-20-2011
    • Replies: 4
    • Views: 1,229
    01-25-2011 Go to last post
  8. Dynamic security context by PID

    I'm a newbie, and I have a question about whether or not a security context can be dynamically applied to a PID. Here's an example, I have a master...

    Started by dch, 01-21-2011
    • Replies: 0
    • Views: 892
    01-21-2011 Go to last post
  9. sshd attack?

    Hello. I'm new to these forums, but have been using linux for several month, lately I have been having issues where sshd loads many processes, all...

    Started by MrLeft, 01-15-2011
    • Replies: 2
    • Views: 14,817
    01-15-2011 Go to last post
  10. DOS Attacks from my Server as a source

    Hi all, today i got a message from my provider saying my server was disconnected from the network because my server is sending DOS attacks. ...

    Started by Defjam, 01-07-2011
    • Replies: 4
    • Views: 4,649
    01-12-2011 Go to last post
  11. SEC issue on regex recog

    Hi, I'm new to this forum and I need some explanation about the using of te regular expressions to gathering information, using SEC, on the logs...

    Started by velegi, 01-10-2011
    • Replies: 2
    • Views: 1,122
    01-10-2011 Go to last post
  12. Jail firefox.

    So i have been using Linux for a couple of years now and i still don't like the idea of my browser running naked on the interwebz, so i was going to...

    Started by TheJanitor, 01-06-2011
    • Replies: 4
    • Views: 1,491
    01-09-2011 Go to last post
  13. running sshd on a differnet port

    Hi, I have two different networks, A and B and need to be able to connect from A to B over the open internet. A is behind a firewall, B is...

    Started by parkejr, 01-07-2011
    • Replies: 4
    • Views: 1,426
    01-08-2011 Go to last post
  14. how to Avoid adding users to group like wheel?

    i just want to prevent from now on from all users maybe even root from adding other users to groups like wheel for example. I also want to know how...

    Started by yakikaki30, 01-07-2011
    • Replies: 1
    • Views: 786
    01-07-2011 Go to last post
  15. vim security hole

    Yesterday, while browsing in the newbie forum, I found something that astonished me. Someone had made a read-only file, loaded it into vi, altered...

    Started by hazel, 12-30-2010
    • Replies: 5
    • Views: 2,919
    01-02-2011 Go to last post
  16. Can a router be cleaned or formated?

    I got banned in a fun forum for defending myself from a psychotic stalker, who seemed to be hellbent on starting flame wars with me. The monster...

    Started by Cocoa, 12-31-2010
    • Replies: 2
    • Views: 784
    01-02-2011 Go to last post
  17. How much does "Dr. Web" really do?

    When you run "Dr. Web" on an email's link, and it gives you a "clean bill of health" on that link, is that link totally safe, or can a link seem to...

    Started by Cocoa, 12-19-2010
    • Replies: 7
    • Views: 3,172
    01-01-2011 Go to last post
  18. [SOLVED] useradd issue

    Hi all when we add user using useradd command with -m option its home directory also gets created with bash_profile,bashrc ,bash_logout file ...

    Started by Piyu_86, 12-29-2010
    • Replies: 2
    • Views: 3,160
    12-29-2010 Go to last post
  19. Smile projects ideas

    I need projects ideas in network security system like java cards application ,fighting spam with postfix.........

    Started by staph, 10-22-2010
    • Replies: 1
    • Views: 1,393
    12-17-2010 Go to last post
  20. userdel command

    Hi all I am facing one problem with userdel command my home directory permission is set to 755 and the owner is root group is also root ...

    Started by Piyu_86, 12-14-2010
    • Replies: 1
    • Views: 2,057
    12-15-2010 Go to last post

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