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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: 51,209
    01-11-2010 Go to last post
  1. firewall form

    hello mr. moderator, linux engineer did anyone knows about firewall from currently i am using it that firewall...

    Started by kamtono, 02-16-2004
    • Replies: 0
    • Views: 1,093
    02-16-2004 Go to last post
  2. FTP security

    A few months ago i blocked access to my server via port 22 and 21 because i didnt feel comfortable with FTP. I had a few entries in my log files of...

    Started by craigap, 02-15-2004
    • Replies: 1
    • Views: 1,056
    02-15-2004 Go to last post
  3. tcpd

    I have a question regarding tcpd. As far as I understand this, it seems to me like tcpd is basically validates a client (via /etc/hosts.allow and...

    Started by bpark, 02-13-2004
    • Replies: 1
    • Views: 1,261
    02-13-2004 Go to last post
  4. Accessing only one website and securing linux?

    Hi, newbie to Linux and probably biting off more than I can chew but....I' ve a situation where I have been asked to put in a linux installation and...

    Started by m_ginty, 02-12-2004
    • Replies: 5
    • Views: 2,573
    02-13-2004 Go to last post
  5. do_brk( ) vulnerability in Rh 7.0 kernel 2.2.19

    Hi Group , I need ur help for finding out if the vulnerability discussed in this link...

    Started by vikul, 02-09-2004
    • Replies: 2
    • Views: 999
    02-09-2004 Go to last post
  6. Unstable kernels !!!

    I read today in a PC magazine that some Polish security group found a big security hole in the Linux kernels till the version 2.6 It has something to...

    Started by Goran, 02-03-2004
    • Replies: 4
    • Views: 1,087
    02-05-2004 Go to last post
  7. Setting up a Network on Mandrake 9.2

    Hi Im at college in England and we have a peer to peer network in our back room running Windows 2000 Advanced Server however we have a linux...

    Started by Metalman, 01-23-2004
    • Replies: 2
    • Views: 1,311
    02-02-2004 Go to last post
  8. Port scanners

    I recently set up a RedHat Linux Server. I am somewhat dismayed to find that every few minutes some port scanner is checking out my IP address. ...

    Started by jswilson, 11-26-2003
    • Replies: 6
    • Views: 1,695
    01-31-2004 Go to last post
  9. Mozilla DNS Server

    Hi! Can anyone tell me which DNS does mozilla use to translate addresses ? Or where it is kept ? I want to do some custom firewalling so I would...

    Started by Goran, 01-29-2004
    • Replies: 4
    • Views: 2,441
    01-31-2004 Go to last post
  10. Fedora Security

    Can anyone explain to me if Fedora has a security mechanism built into it? Debian has a dedicated repository for security packages and it's very nice...

    Started by bpark, 01-28-2004
    • Replies: 2
    • Views: 1,158
    01-28-2004 Go to last post
  11. update the ACL's

    On my computer ive got my hard drive partitioned into some ext3 partitions. I enabled ACL's and user_xattr. How can I update the ACL's and what are...

    Started by gwalters, 01-27-2004
    • Replies: 1
    • Views: 1,072
    01-28-2004 Go to last post
  12. Is this enough to secure a server

    Security Audit and Securing the System ==================================== Security Audit ############

    Started by blessen, 01-26-2004
    • Replies: 2
    • Views: 1,253
    01-27-2004 Go to last post
  13. Login Password

    I have just been given a hard drive with Red Hat Linux (Weasel ) on it and it is asking for me for a login and password. I am new to linux and dont...

    Started by kennethw, 01-21-2004
    • Replies: 1
    • Views: 1,440
    01-21-2004 Go to last post
  14. Enforcing Non-Relaying on Sendmail..

    Hi, I understand that relaying by default is disabled on Sendmail 8.9 and up. We currently use the /etc/mail/access file to designate/limit...

    Started by mtsal, 01-17-2004
    • Replies: 1
    • Views: 1,013
    01-18-2004 Go to last post
  15. Can't Save Firewall Setting - as root

    Logged in as root and would like to customize my firewall settings. Using GNOME I selected: System Settings > Security Level > displayed the...

    Started by jkpalmer52, 01-07-2004
    • Replies: 3
    • Views: 1,863
    01-09-2004 Go to last post
  16. Windows XP and Trustix 2.0

    I've got some problems with my Windows XP machine and my Trustix 2.0 release. I have installed Samba 2.2.8 Made shares with samba and all my...

    Started by Mystic_Slayer, 12-31-2003
    • Replies: 6
    • Views: 6,200
    01-05-2004 Go to last post
  17. How to allow an ftp download (on 80)

    Hi, Warning, Newbie question.. I'm running SuSE 9 and have the firewall up and running. Browsing and/or downloading from e.g. tucows poses no...

    Started by trueblue53, 11-02-2003
    • Replies: 2
    • Views: 1,495
    01-02-2004 Go to last post
  18. Grsecurity patch released for kernel 2.4.23

    The grsecurity team has now released a grsecurity patch for kernel 2.4.23 for role grsecurity for you who use grsecurity software. :D

    Started by andutt, 12-21-2003
    • Replies: 1
    • Views: 1,126
    12-22-2003 Go to last post
  19. iptables

    Hi i am new to IPTABLES so unsure how to do this - I want to stop a video stream which is on a known port e.g. 554 using the Helix server to a...

    Started by Geoff, 11-25-2003
    • Replies: 2
    • Views: 1,344
    12-16-2003 Go to last post
  20. Should I use a viruskiller???

    My fellow Linuxians, Coming from a Windows enviroment, I'm used to using a viruskiller. From what I read everywhere, in a Linux enviroment...

    Started by jaguardriver, 12-15-2003
    • Replies: 2
    • Views: 2,146
    12-15-2003 Go to last post

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