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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: 51,186
    01-11-2010 Go to last post
  1. IPsec

    Well, I want to use the HMAC-MD5 algorithm for computation of ICV in IPsec AH header? While using openssl/md5.h I got the following errors:...

    Started by Nicky, 11-12-2005
    • Replies: 0
    • Views: 1,070
    11-12-2005 Go to last post
  2. About ssh and iptables

    my mail server is trying to access other computers 22 port. how can i create a firewall rule to ristrict above access, i.e i wanted, no one can...

    Started by suneth, 11-11-2005
    • Replies: 1
    • Views: 942
    11-11-2005 Go to last post
  3. IPS

    Hi all , I am Looking For network intrusion prevention system i try to configure Snort. i am not succesful can any one me the how i configure...

    Started by devendra.meena, 11-10-2005
    • Replies: 0
    • Views: 4,355
    11-10-2005 Go to last post
  4. Linux Worm

    I found this on ./ today. Any thoughts? What precautions should we take? How do we know if we've been compromised? etc... Linux Lupper.Worm ...

    Started by jeremy1701, 11-08-2005
    • Replies: 2
    • Views: 864
    11-08-2005 Go to last post
  5. How To--

    Hi, Have couple of questions which had been on my mind and would want to brain storm with you all. 1. If the web server is running on...

    Started by lomaree, 11-01-2005
    • Replies: 1
    • Views: 990
    11-06-2005 Go to last post
  6. How to set up user/groups

    This might be better posted under the server's forum, but I think it applies better here. I'm not very good with this user rights stuff, so any...

    Started by seedsca, 11-06-2005
    • Replies: 0
    • Views: 1,756
    11-06-2005 Go to last post
  7. SHV4, SHV5 Rootkit Installed

    A customer of mine called me today and told me he thought his Linux FC 2 system was hacked. His dedicated server provider informed him of DOS...

    Started by ServerSurgeon, 10-22-2005
    • Replies: 3
    • Views: 48,370
    11-04-2005 Go to last post
  8. Windows antivirus to run from Linux.

    Is there any antivirus that searches and destroyes viruses for windows XP running under GNU/linux? If so where can I get it?

    Started by muxec, 10-29-2005
    • Replies: 2
    • Views: 1,199
    10-29-2005 Go to last post
  9. Security vs stability

    Hi, Our current servers use various linux distros. However, I am looking for the most stable, secure, and reliable server OS. I believe (from...

    Started by helpmhost, 10-19-2005
    • Replies: 3
    • Views: 1,032
    10-27-2005 Go to last post
  10. read /etc/shadow

    Hello friends, want to read the /etc/shadow file but problem is that i want it without root user ... mean without any comprise from...

    Started by dakoo, 10-26-2005
    • Replies: 1
    • Views: 3,452
    10-26-2005 Go to last post
  11. The Story of Snort: Past, Present and Future

    HNS people met with Martin Roesch, the creator of Snort. They just published an audio of him speaking about all the geeky history stuff related to...

    Started by ipswitch, 10-24-2005
    • Replies: 2
    • Views: 931
    10-26-2005 Go to last post
  12. Antivirus For Sendmail

    Hi All Is there a free antivirus software for sendmail (to scan the emails and attachements). If there is any, then what is the best one?

    Started by suneth, 10-25-2005
    • Replies: 1
    • Views: 1,733
    10-25-2005 Go to last post
  13. Increase min/max password length

    Hi! I use Suse 8.2. I was unable to change the password length of the users including root. I used Yast2 --> Security & users --> Security...

    Started by alaateb, 03-01-2004
    • Replies: 1
    • Views: 14,490
    10-24-2005 Go to last post
  14. firewall ip address if it tries to login as a specified user

    OS = Debian SID Last night I started to write a script that would monitor the auth log and check for failed logins for specified user accounts (I...

    Started by Anigel, 09-07-2004
    3 Pages
    1 2 3
    • Replies: 27
    • Views: 15,054
    10-23-2005 Go to last post
  15. User Limits

    OK so I ran Bastille, it recommended setting limits on core size and number of user processes. this sounded reasonable to me so I agreed. It...

    Started by nelamvr6, 10-20-2005
    • Replies: 3
    • Views: 4,242
    10-21-2005 Go to last post
  16. ipsec configuration

    Hi all, I want to establish a secure ipsec connection between to diffrent networks. In both ends linux servers are configured as gateways...

    Started by Deepak.kpadhi, 10-21-2005
    • Replies: 1
    • Views: 1,416
    10-21-2005 Go to last post
  17. Folder Security and permissions

    Hi ya all, I have the following problem. Standard every user made by the root can get in all the folders. even /etc , etc. I donīt want that. I...

    Started by Mystic_Slayer, 10-18-2005
    • Replies: 5
    • Views: 3,930
    10-21-2005 Go to last post
  18. iptables help

    i just started with the setup of iptables. im a linux newbie and im following this howto but ive...

    Started by Dylock, 10-12-2005
    • Replies: 1
    • Views: 6,931
    10-20-2005 Go to last post
  19. How to control the password length in RedHat Linux 9.0 ?

    In my RedHat Linux9.0 system, It has two users, root and test. In default, the password length must be minimum 5 mixes of character strings. Now I...

    Started by msg, 09-17-2005
    • Replies: 2
    • Views: 21,309
    10-20-2005 Go to last post
  20. What's a good firewall that can be installed as a RPM?

    Hey, imlooking for a firewall distro that i can download as a .rpm, i have seen SmoothWall but you have to download an .iso, which i don'w want to...

    Started by linux.phil, 10-20-2005
    • Replies: 4
    • Views: 4,627
    10-20-2005 Go to last post

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