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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: 71,517
    01-11-2010 Go to last post
  1. updated timestamp

    fedora core - 2. 1. I started IMAP server ( dovecot ), apache , sendmail & used the webmail application ( squirrelmail ) to use mail services....

    Started by jkmartha, 05-10-2005
    • Replies: 1
    • Views: 5,037
    02-01-2010 Go to last post
  2. do i have to use an antivirus

    Hello...! everyone I'm a new user of Linux and i blame myself for not trying it before. This is a great OS However i'm a bit warried about...

    Started by joni, 01-29-2010
    • Replies: 8
    • Views: 2,162
    01-31-2010 Go to last post
  3. A Keylogger

    Hi everyone, Im a Linux user, I hope someone can help me and give me some anwsers. If theres is a keylogger running in my debian lenny how can i...

    Started by purplegirl, 01-30-2010
    • Replies: 4
    • Views: 2,159
    01-30-2010 Go to last post
  4. how do i set this rule?

    hi guys i have one question suppose the task is : setup a squid proxy server but only allow access for clients in the domain and...

    Started by elliotwilliams77, 01-26-2010
    • Replies: 5
    • Views: 1,086
    01-28-2010 Go to last post
  5. rootkit infected

    helo 1. my linux box is infected with suckit rootkit how to remove it 2. and how to replace with uninfected binaries (procps, init-scripts, may...

    Started by kamtono, 04-19-2005
    2 Pages
    1 2
    • Replies: 17
    • Views: 25,529
    01-19-2010 Go to last post
  6. Question Linux Server Enteroprice 10.3

    I need to accomplish an assigment, and the commands I have are for SLES 9.0. The OS I am using is SLES 10.3. This command is not working for me: cp...

    Started by Antarqui, 01-18-2010
    • Replies: 1
    • Views: 843
    01-18-2010 Go to last post
  7. what is this hacker upto?

    Upon checking my logs of my server, I noticed a hacker ftp into my main account and edited all index.html and index.php to include the following ...

    Started by amedj, 01-17-2010
    • Replies: 2
    • Views: 1,731
    01-18-2010 Go to last post
  8. Is this bad security info?

    I recently read that running: /usr/bin/lsattr `echo $PATH | tr ':' ' '` | grep i-- would identify any files made immutable by a cracker because no...

    Started by clickit, 01-15-2010
    • Replies: 1
    • Views: 1,547
    01-15-2010 Go to last post
  9. syslog

    Hello, I'm trying to parse a syslog log and extract useful informations regarding security issues that have been logged. What information is it...

    Started by Elishac, 12-11-2009
    • Replies: 7
    • Views: 1,150
    01-14-2010 Go to last post
  10. Number of Linux virusses

    I have a question. How many virusses has written for Linux? Do You have any stats? Maybe any links? It is very important for me.

    Started by Alighieri, 01-11-2010
    2 Pages
    1 2
    • Replies: 10
    • Views: 4,681
    01-12-2010 Go to last post
  11. Tripwire capability

    Does anyone know whether Tripwire can guard against rootkits and scripts are saved as hidden files that make their way to the file system via remote...

    Started by victor43, 01-11-2010
    • Replies: 0
    • Views: 3,248
    01-11-2010 Go to last post
  12. Exclamation Linux Audit

    Hi All, I configured audit logs in my server and its working fine with its default funcation. But the logs generated are huge, so i wan to know...

    Started by ash_ok555, 01-08-2010
    • Replies: 3
    • Views: 4,088
    01-10-2010 Go to last post
  13. How to block a particular website to the clients?

    Hi, I have a proxy server configured on RHEL 5. My boss wants me to block Orkut and other social sites to few client machines. I am not sure how to...

    Started by lilchakki, 01-05-2010
    • Replies: 4
    • Views: 4,020
    01-08-2010 Go to last post
  14. Spam Filtering

    Hello; I have a mail server installed postfix and spamassin. I am receiving fake spam mails sender contains my domain. How can i reject them. I...

    Started by gocebe, 06-17-2009
    • Replies: 1
    • Views: 911
    01-08-2010 Go to last post
  15. my machine is on risk?

    1) I found in auth.log, What is that mean, I didn't do su at that time, 2) Why there has a lot of session opened & closed?

    Started by sf433, 09-03-2005
    • Replies: 3
    • Views: 15,975
    01-08-2010 Go to last post
  16. please help me ddclient

    i installl ddclient and work perfect ubuntu 9.04 the problem that ddclient.conf is not protected anyone use my pc can access to ddclient.conf and...

    Started by alimo, 01-06-2010
    • Replies: 0
    • Views: 702
    01-06-2010 Go to last post
  17. Firewall help

    hi there i have recently bought and old laptop to help me with linux at college (put ubuntu on it and impressed so far), unfotunately i missed a few...

    Started by pinguroolz, 11-26-2009
    • Replies: 5
    • Views: 1,033
    01-06-2010 Go to last post
  18. Quaratine module

    Hi everybody! I need to find some kernel quaratine module or source code. I found clamav but i don't found exactly quaratine module in the...

    Started by stork, 01-03-2010
    • Replies: 6
    • Views: 969
    01-05-2010 Go to last post
  19. Lost Control of Linux Virtual Machine

    Hi Everyone, I have a unique issue. I am sure it is an easy fix but I am stumped due to my relatively inexperience to Virtual machines and linux....

    Started by gh0pp3r, 01-03-2010
    • Replies: 3
    • Views: 1,404
    01-04-2010 Go to last post
  20. [SOLVED] spyware scanners

    yes i know linux is not as vulnerable to such things. (^_^) but i'm building somewhat of a bootable disk to service windows installs and was...

    Started by itachisxeyes, 12-28-2009
    • Replies: 4
    • Views: 1,063
    01-02-2010 Go to last post

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