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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: 50,539
    01-11-2010 Go to last post
  1. How Ubuntu will block virus/spyware when I surf the web?

    Hi, I am new in the Linux user after I was attacked by tons of virus and spyware when I web surf in Windows. I now install Ubuntu 9.10 in my USB...

    Started by vincentwady, 02-18-2010
    • Replies: 5
    • Views: 7,797
    02-20-2010 Go to last post
  2. Freeradius problem

    Hello all, I am new to this forum but I am planning to write some manual for you about openssl and freeradius. The only problem right now is that I...

    Started by dre2007, 02-10-2010
    • Replies: 4
    • Views: 5,033
    02-17-2010 Go to last post
  3. Freeradius connection to openssl

    Hello fooks, I already posted another thread but i thought this would be a good question also. Right now I got a problem with freeradius. The...

    Started by dre2007, 02-11-2010
    • Replies: 2
    • Views: 6,475
    02-16-2010 Go to last post
  4. Lf newsletter Samba Vulnerability?

    There appeared recently an article in the LF newsletter about a Samba Vulnerability! Vulnerability in Samba provides access to files - The H...

    Started by cousinlucky, 02-13-2010
    • Replies: 4
    • Views: 1,219
    02-14-2010 Go to last post
  5. IPTables - Block IP for x Seconds

    Hello, I would like to know how i can ban IP's for a certain amount of seconds via the IPtables firewall. I hope you can help. Thanks!

    Started by umarsa, 10-26-2009
    • Replies: 3
    • Views: 2,134
    02-14-2010 Go to last post
  6. How to Only permit specific users FTP Login

    Hello, I have some hackers trying to get in through FTP login. They normally use users who do not exist. The FTP usernames we have are unique and...

    Started by chep, 06-07-2009
    • Replies: 3
    • Views: 1,900
    02-14-2010 Go to last post
  7. Preventing an account from being locked out...

    Hello... sorry if I am posting this in the wrong forum...since it deals with both Linux security and RHEL... First off...this is a customer...

    Started by dagummit, 01-13-2010
    • Replies: 1
    • Views: 1,957
    02-14-2010 Go to last post
  8. Hacker Attempts

    I've been fighting with a hacker in my Web Server for the past couple days. I thought I had Public Key auth setup for SSH, but it apparently wasn't...

    Started by alapierre, 12-30-2009
    • Replies: 7
    • Views: 1,284
    02-14-2010 Go to last post
  9. Auditing - Logging all commands and arguments

    I want to increase my security and auditing on some systems by adding full logging of every command and all arguments to every command that is typed...

    Started by humbletech99, 12-04-2007
    • Replies: 4
    • Views: 13,583
    02-10-2010 Go to last post
  10. permissions on Samba share mount point in RHEL 5

    Dear friends, I am straight away coming to the point I have a samba server and I have created a public share (with full permissions for every user...

    Started by technocp, 02-03-2010
    • Replies: 0
    • Views: 4,182
    02-03-2010 Go to last post
  11. Been hacked - need help...

    I've been running this box for about 3 years now with no issues....until about a month ago. I am running CentOS on a VM hosted by a web company. I...

    Started by Angersum, 02-01-2010
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,492
    02-02-2010 Go to last post
  12. 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: 4,585
    02-01-2010 Go to last post
  13. 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: 1,610
    01-31-2010 Go to last post
  14. 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: 1,852
    01-30-2010 Go to last post
  15. 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: 703
    01-28-2010 Go to last post
  16. 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: 21,889
    01-19-2010 Go to last post
  17. 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: 575
    01-18-2010 Go to last post
  18. 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, 01-16-2010
    • Replies: 2
    • Views: 1,238
    01-18-2010 Go to last post
  19. 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: 1,131
    01-15-2010 Go to last post
  20. 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: 824
    01-14-2010 Go to last post

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