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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: 52,336
    01-11-2010 Go to last post
  2.  
  1. Good Linux Firewalls

    Ok, I'm heading off to school in a few weeks, and I was wondering if there are any good firewalls for linux out there. See, I don't always have a...

    Started by afroguy013, 07-31-2005
    2 Pages
    1 2
    • Replies: 12
    • Views: 3,279
    08-10-2005 Go to last post
  2. Unusualy active firewall?

    I was recently having issues with some programs and decided to put my Linux box in a DMZ, and as a result, bypassed all the normal firewalling...

    Started by kkubasik, 06-30-2005
    • Replies: 2
    • Views: 1,172
    08-09-2005 Go to last post
  3. Hacked - Linux Redhat

    Hey folks, I am running two Redhat Linux boxes. One sits outside my router and has an external IP address. This box is a Webserver and DNS...

    Started by BananaBob, 06-21-2005
    2 Pages
    1 2
    • Replies: 15
    • Views: 3,809
    08-09-2005 Go to last post
  4. hacked!

    I ran chkrootkit and got this: Checking `bindshell'... INFECTED (PORTS: 465) Checking `lkm'... You have 1 process hidden for readdir command...

    Started by Secret Agent, 06-09-2005
    3 Pages
    1 2 3
    • Replies: 22
    • Views: 8,671
    08-07-2005 Go to last post
  5. Should I Be Worried !

    Hi All I have picked up the following entries in /var/log/messages Jul 28 21:31:51 slackbox sshd[25489]: Invalid user test from...

    Started by Bubo, 07-29-2005
    • Replies: 8
    • Views: 1,887
    08-07-2005 Go to last post
  6. why not control dataflow in linux(2.4.20-80'tc ---u32 match ip sport 80 ?

    thanks! please maill to : l_slin@126.com

    Started by cctvcctv, 08-05-2005
    • Replies: 0
    • Views: 936
    08-05-2005 Go to last post
  7. Running application on 443 port ( without root or su )

    Hi, I want to run my application on 443 port. sunraise76 is the user id in the system. Is it possible to run the application without...

    Started by sunraise76, 08-03-2005
    • Replies: 6
    • Views: 3,610
    08-03-2005 Go to last post
  8. giving a user access to another user's home directory

    Gooday! Quick question on user permissions, I'm not even sure if this is possible but any help/opinions is greatly appreciated. I need to give...

    Started by mjs, 08-02-2005
    • Replies: 3
    • Views: 14,896
    mjs
    08-02-2005 Go to last post
  9. Authentication issue with LDAP

    Jul 22 08:57:53 asd03 sshd : Failed password for smithj from 192.168.8.100 port 33200 ssh2 I am getting this message when trying to authenticate...

    Started by wars_j, 07-28-2005
    • Replies: 1
    • Views: 921
    07-28-2005 Go to last post
  10. how to save iptables

    dear all i am new user iptables... i use it for port conversion... smtp port and pop3 port.. the configuration is as follow. iptables -t...

    Started by kwikwi, 03-05-2005
    • Replies: 2
    • Views: 14,584
    07-25-2005 Go to last post
  11. Linux Anti-Virus Question......

    Im fairly NEW to Linux and I was wondering if I needed an Anti-Virus at all? Like this one http://www.clamav.net/ And if so are there any others...

    Started by p0ps, 07-24-2005
    • Replies: 4
    • Views: 1,107
    07-25-2005 Go to last post
  12. how to build a activities monitoring and logging system

    hi all, i wonder how to build such a system, which can monitor activities invoked by user and log them into a log file. anyone here has any ideas?...

    Started by roamer_xk, 07-14-2005
    • Replies: 3
    • Views: 1,074
    atx
    07-24-2005 Go to last post
  13. Insecurity Syndrome

    Have just joined this forum and am also totally new to Linux. I hope that Linux,for me, will be a refuge from Microsoft once I learn enough. My...

    Started by tergat2, 07-24-2005
    • Replies: 0
    • Views: 824
    07-24-2005 Go to last post
  14. Viruses affecting different partitions

    I am running a dual boot Windows XP and Redhat 9 linux off of a single hard drive. My question is if I were to contract a virus in Windows XP, is...

    Started by clemsontiger, 07-22-2005
    • Replies: 1
    • Views: 832
    07-23-2005 Go to last post
  15. I've been hacked!

    I hope someone could give me some pointers, I found several strange files in the /tmp directory, one of the them has the following content, the name...

    Started by mike0929, 06-28-2005
    • Replies: 5
    • Views: 2,403
    07-22-2005 Go to last post
  16. Users on Machine

    I am reviewing some accounts on my system, I came across a few accounts that I have no idea which program has created. Anyone know what do these...

    Started by Slip, 07-16-2005
    • Replies: 2
    • Views: 952
    07-16-2005 Go to last post
  17. Request for papers/articles/docs/book reviews

    Just tossing this out here; If anybody has any papers or whatnot they want hosted for free (just don't submit it to slashdot, please.. :P), I just...

    Started by invertedpanda, 07-14-2005
    • Replies: 0
    • Views: 759
    07-14-2005 Go to last post
  18. strange logwatch occurrance

    Hi, I am relatively new to the whole linux experience. But I have been brought up to speed relatively fast lately. Firstly I use a VPS with a...

    Started by tom22, 07-12-2005
    • Replies: 0
    • Views: 1,034
    07-12-2005 Go to last post
  19. Bastille and Firestarter?

    Hello everybody, I am trying to intsall Bastille on Ubuntu and I have some errors when it tries to apply the configuration file: NOTE:...

    Started by mdiana, 07-07-2005
    2 Pages
    1 2
    • Replies: 13
    • Views: 6,383
    07-07-2005 Go to last post
  20. iptables and squid not letting secure sites?

    Hi All!, I hv recently setup a proxy server with iptables and squid. :D It won't let ppl get into some secure sites like banks. :( sp....

    Started by crys, 07-01-2005
    • Replies: 5
    • Views: 2,327
    07-06-2005 Go to last post

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