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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: 50,855
    01-11-2010 Go to last post
  1. RSA versus DSA

    I was just having a play with SSH and I came across the option to generate RSA or DSA keys. What is the difference between these two options? Also,...

    Started by Allblack, 08-24-2003
    2 Pages
    1 2
    • Replies: 11
    • Views: 159,526
    05-29-2006 Go to last post
  2. Writing SE Linux policy

    I'm trying to implement a policy for an ICQ client and, maybe, for other network clients that may provide a huge security leak within a user's...

    Started by kalium, 05-27-2006
    • Replies: 0
    • Views: 795
    05-27-2006 Go to last post
  3. Exclamation iptablesfirewall port block not working-urgent

    Hi, I have given my full setup info below step by step Note: when any of the link goes down i need to use the other link for both...

    Started by krishnan.gopal, 05-16-2006
    • Replies: 1
    • Views: 2,983
    05-27-2006 Go to last post
  4. MD5 is broken, Let's do SHA.

    Well, as some of you may be aware, an MD5 collision can be generated in like 17 seconds on a laptop. I'd like to see SHA-512 implemented at the...

    Started by jwilliams, 05-27-2006
    • Replies: 0
    • Views: 838
    05-27-2006 Go to last post
  5. Iptables and Exim

    I have an exim mail server running with no problems at all, recently I added apache to run a site and made it accessible to specific IPs with...

    Started by Slowfib, 05-16-2006
    • Replies: 1
    • Views: 1,774
    05-23-2006 Go to last post
  6. Unhappy Please I Need Your Help

    Does anyone know about counters? Someone told me that if you enter a group or site with a counter they can trace your internet service provider...

    Started by queenbee, 05-19-2006
    • Replies: 3
    • Views: 745
    05-19-2006 Go to last post
  7. Restrict WINSCP on Fedora server

    How would I restrict a windows user (using WINSCP) from: 1. Being to see anything in the file structure on the linux server EXCEPT his own home...

    Started by reggy, 05-18-2006
    • Replies: 0
    • Views: 1,759
    05-18-2006 Go to last post
  8. I seem to be sending spam

    Going through my logs this morning I found that sendmail has been sending out what looks like spam at 8.20 each morning. Sendmail runs once an hour...

    Started by Rotsky, 05-14-2006
    • Replies: 3
    • Views: 5,258
    05-17-2006 Go to last post
  9. FTP/TELNET Combined Query

    Hi Folks , I'm using RedHat 9.0 Server . Want to grant FTP access to a particular user say TEST but disallow him Telnet access . As in he should...

    Started by sachinh, 05-16-2006
    • Replies: 0
    • Views: 777
    05-16-2006 Go to last post
  10. /etc/services

    Hi, am i have to write down on /etc/services all the port that i like to block (i.e Yahoo messenger, MSN, IRC) what port windows messenger is...

    Started by kamtono, 04-14-2005
    • Replies: 4
    • Views: 8,005
    05-16-2006 Go to last post
  11. antivirus worth it?

    i was just wandering if everybody here thinks if i is worth installing an av on my system how effective these are and do they actully prevent linux...

    Started by Viper8896, 05-12-2006
    • Replies: 3
    • Views: 990
    05-13-2006 Go to last post
  12. Thumbs up How to test your Linux-Distro FIREWALL !

    Recently, I wrote an article about How to scan your Linux-Distro for Root Kits. Now that the machine is... clean! I think, a good thing TO-DO, is to...

    Started by, 05-06-2006
    • Replies: 0
    • Views: 6,692
    05-06-2006 Go to last post
  13. Red face vsftp home directory permissions

    Hi all, I am trying to set up an rh9 ftp server and wish to accept only picture files (non executable). In order to paste files (upload) into my...

    Started by devwink, 05-06-2006
    • Replies: 0
    • Views: 2,381
    05-06-2006 Go to last post
  14. Smile need help in configuring tripwire

    hi, I have installed tripwire on my machine. But i dont know how to setup the policy file, how to initialize the database, or how to make changes...

    Started by tnlg102, 02-07-2006
    • Replies: 1
    • Views: 1,389
    05-06-2006 Go to last post
  15. Need Urgent help please, server is hacked

    Haiii to all.... I was in deep trouble with my web server, which was hacked now. I am using an dedicated managed web server as I dont have much...

    Started by kiran ky, 05-05-2006
    • Replies: 3
    • Views: 875
    05-05-2006 Go to last post
  16. Help: Linux Security Presentation

    hi friends, Im new to linux and operating systems. i have a presentation on Linux Security. the topic is... "Discuss how security is implemented...

    Started by azaak, 03-05-2006
    • Replies: 4
    • Views: 2,441
    05-02-2006 Go to last post
  17. Bitdefender

    I've just begun using Suse Linux 10. I install Bitdefender successfully but it doesn't work. Please help me

    Started by ncduc_dt, 04-21-2006
    • Replies: 2
    • Views: 991
    04-27-2006 Go to last post
  18. MD5 vs. SHA for encryption in linux distros

    Are there any distros out there that use some flavor of an SHA-2 encryption algorithm as opposed to MD5? MD5 can be broken in minutes on a laptop...

    Started by jwilliams, 04-21-2006
    • Replies: 0
    • Views: 2,986
    04-21-2006 Go to last post
  19. KGpg delete on decrypt

    I'm looking for a way to get pgp to delete an encrypted file automatically when it is decrypted. This, along with automatically shredding a source...

    Started by pajamabama, 04-20-2006
    • Replies: 0
    • Views: 892
    04-20-2006 Go to last post
  20. Linux (un)Security?

    So, in another forum, I ended up in a little conversation with a fellow on Linux vs. Windows. Some of his comments rustled me up a little, I tried...

    Started by Darl, 12-03-2003
    • Replies: 6
    • Views: 1,751
    04-19-2006 Go to last post

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