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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 linuxforums.org 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: 68,907
    01-11-2010 Go to last post
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  1. udev and group permission

    My scanner works perfectly for my wife and me if EITHER she OR me are logged on. But if we both are logged on (same box with different sessions)...

    Started by PGPGPG, 06-08-2005
    • Replies: 6
    • Views: 3,738
    06-08-2005 Go to last post
  2. What ports/services to allow?

    Hi everybody, I'm currently trying to set up a firewall using iptables. The only network connections I require are to dial up and browse the...

    Started by Francis, 06-05-2005
    • Replies: 3
    • Views: 1,521
    06-06-2005 Go to last post
  3. How To Hide Open Ports??

    hi to all.. i am confused with one thing.. pls try to help me out.. i have secured my server by implementing the firewall.. i block some...

    Started by keenlearner, 05-28-2005
    • Replies: 1
    • Views: 8,842
    06-05-2005 Go to last post
  4. Linux Password Controls

    I'm having an issue with password controls. I'd like to avoid installing additional PAM's if I can. I'd like to use RedHat's built-in functionality...

    Started by scottjwoodford, 06-02-2005
    • Replies: 1
    • Views: 5,290
    06-02-2005 Go to last post
  5. Restrict user to only one active login

    How can a user be restricted to only one active login at a time?

    Started by bjwhite66212, 05-18-2005
    • Replies: 2
    • Views: 2,291
    06-01-2005 Go to last post
  6. What partition permissions should I set?

    I'm a relative noob to Linux, and having managed to install Linux and get things pretty much set up how I want, I've decided to now focus on...

    Started by Francis, 05-31-2005
    • Replies: 0
    • Views: 1,772
    05-31-2005 Go to last post
  7. SHV4, SHV5 is such of rootkit ?

    after being infected by suckit rootkit now i am facing SHV4, SHV5. and all is under /lib and /usr/lib/ directory how to remove and uninstall ...

    Started by kamtono, 05-25-2005
    • Replies: 4
    • Views: 19,801
    05-28-2005 Go to last post
  8. xfrm in ipsec

    hii guys.. can any one help me abt the work of xfrm files in ipsec implementation of stack.. Specifically i wanna know how the xfrm works in...

    Started by atul_mehrotra, 05-27-2005
    • Replies: 0
    • Views: 4,579
    05-27-2005 Go to last post
  9. linux security?

    does linux need firewalls/anivirus/spyware programs? if so please post good ones. :D ive heard of ipcop but that has to be set up on another...

    Started by whisker, 05-22-2005
    2 Pages
    1 2
    • Replies: 10
    • Views: 2,912
    05-27-2005 Go to last post
  10. Restrict Linux users from accessing the networked machines

    HELP ME !!! I have a network of XP & Linux machines. From my Linux machines I do not want to access any networked pc - be it LINUX or windows....

    Started by dew, 05-23-2005
    • Replies: 4
    • Views: 2,145
    05-26-2005 Go to last post
  11. Blocking SSH user logins and running Services as non-root

    Hi all, This might be blindingly obvious but I want to block all SSH logins except for one user account. In other words I have created a user...

    Started by jonfon, 05-19-2005
    • Replies: 2
    • Views: 2,598
    05-19-2005 Go to last post
  12. RK Hunter Results

    Hey friends, I have a few warnings (no rootkits found) that i was wondering how i could fix to make my box more secure ... ...

    Started by Salient, 05-18-2005
    • Replies: 2
    • Views: 1,810
    05-19-2005 Go to last post
  13. I have root kit

    Hello, I have a question about a rootkit, actually the one my friends business has. For certain reasons he does not want to reinstall the software,...

    Started by baysidelinux, 05-17-2005
    • Replies: 4
    • Views: 1,762
    05-18-2005 Go to last post
  14. ttymon

    is ttymon a backdoor program ?, this happened yesterday, dunno when i do #netstat -tulp ttymon 0.0.0.0:1 is it harmful ? cause i never...

    Started by kamtono, 05-18-2005
    • Replies: 1
    • Views: 6,987
    05-18-2005 Go to last post
  15. strange mail

    I have received an e-mail, and it seems like it was send from company mailserver (e-mail address, from which it comes, is a user address on the...

    Started by myx9, 05-16-2005
    • Replies: 1
    • Views: 1,092
    05-18-2005 Go to last post
  16. Red Hat 9 A.V. comparative

    Source: Virus Bulletin With Linux still making gradual headway in the operating system battleground it comes as little surprise that there are...

    Started by Salient, 05-17-2005
    • Replies: 0
    • Views: 1,115
    05-17-2005 Go to last post
  17. commands required to restrict access for ssh(very urgent)

    Hi, can somebody tell me the commands in iptables that are required to restrict access to particular ips in ssh only and and deny access to all ...

    Started by linux_unlimited, 05-13-2005
    • Replies: 1
    • Views: 2,381
    05-15-2005 Go to last post
  18. nat & firewall thru iptables

    fedora core -2. i have 2 NIC on my system. suppose, eth0 is 60.61.62.63 (public IP ) and eth1 is 192.168.239.20 (for internal users). i...

    Started by jkmartha, 05-12-2005
    • Replies: 1
    • Views: 1,317
    05-15-2005 Go to last post
  19. RBAC

    Hi, can we create rolle base access control in linux if yes then how ? As a Sys Admin I dont want to give Admin passwd to other but I want to give...

    Started by m.maheshpathak@gmail.com, 05-14-2005
    • Replies: 2
    • Views: 4,224
    05-14-2005 Go to last post
  20. Opening a port in RHEL 3?

    I'm trying to get VNC running on my server and I've read that most newer distros have VNC ports closed. I opened them in my APF firewall and ran a...

    Started by gromer, 05-13-2005
    • Replies: 3
    • Views: 7,354
    05-14-2005 Go to last post

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