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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: 70,276
    01-11-2010 Go to last post
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  1. 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: 2,172
    05-26-2005 Go to last post
  2. 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: 2,610
    05-19-2005 Go to last post
  3. 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: 1,846
    05-19-2005 Go to last post
  4. 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: 1,792
    05-18-2005 Go to last post
  5. 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: 7,007
    05-18-2005 Go to last post
  6. 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: 1,095
    05-18-2005 Go to last post
  7. 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: 1,119
    05-17-2005 Go to last post
  8. 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: 2,385
    05-15-2005 Go to last post
  9. 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: 1,352
    05-15-2005 Go to last post
  10. 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: 4,260
    05-14-2005 Go to last post
  11. 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: 7,415
    05-14-2005 Go to last post
  12. rkhunter

    Hello I wish to know if exists good alternative software such as rkhunter of rootkit.nl Thank you Graziano

    Started by graziano, 05-13-2005
    • Replies: 0
    • Views: 1,308
    05-13-2005 Go to last post
  13. antivirus & firewall

    hi any sugesstions for antivirus and firewall for FC3. a link would be great........ :wink:

    Started by mohit dhawan, 04-28-2005
    • Replies: 6
    • Views: 1,763
    05-13-2005 Go to last post
  14. port scaner

    i want good port scaner for scaning port . i want use this software in linux thanks

    Started by mohamo, 05-07-2005
    • Replies: 2
    • Views: 2,134
    05-10-2005 Go to last post
  15. removing netbus and bo2k

    well tonight i nmap'd my computer and this tuned up: Interesting ports on self (127.0.0.1): (The 1634 ports scanned but not shown below are in...

    Started by kyle.tk, 05-08-2005
    • Replies: 2
    • Views: 5,675
    05-10-2005 Go to last post
  16. NSA-LINUX

    WWWOOOOOOWWWWW I found this on the NSA web site about Linux, check it out. http://www.nsa.gov/selinux/ I hope to see your comments and check...

    Started by dgserf, 05-08-2005
    • Replies: 1
    • Views: 1,538
    05-08-2005 Go to last post
  17. Closing ports

    I am running Debian / KDE 3.3 / and 2.6.8 Kernel I was wondering if someone could give me some help. I recently used the Shields Up service on...

    Started by jroed, 04-17-2005
    • Replies: 8
    • Views: 25,509
    05-02-2005 Go to last post
  18. attack book

    plz introduct a e boook for attack in linux & antiattack

    Started by mohamo, 05-01-2005
    • Replies: 2
    • Views: 1,194
    05-01-2005 Go to last post
  19. ftp & telnet problem

    i, I have made disabled = no in etc/xinetd.d/telnet and for ftp files and made changes in /etc/inetd.d/wu.ftp file disable=no and we have...

    Started by madhavraj, 01-09-2003
    • Replies: 8
    • Views: 10,456
    05-01-2005 Go to last post
  20. compromised

    When a file shows an 'accessed' time at some-time when I'm not around - that means something is not ok, right? (suse 9.2 konquerer) 5 files all...

    Started by i-only-know-dos, 04-30-2005
    • Replies: 6
    • Views: 1,507
    05-01-2005 Go to last post

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