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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: 71,834
    01-11-2010 Go to last post
  1. My server is hacked, some IRC script...

    Hello, I have big problem. I have server at ThePlanet and in last several days (maybe weeks) I sometime see in bandwith graph that link of 10mb/s...

    Started by mladja04, 07-21-2008
    • Replies: 5
    • Views: 9,653
    06-11-2009 Go to last post
  2. Need urgent help

    Experts, I am hosting a server at my home network (site:j i l t i n d o t c o m ) I am hosting only web server with php,mysql. However,...

    Started by jiltin, 06-07-2009
    • Replies: 7
    • Views: 1,570
    06-08-2009 Go to last post
  3. Invalid file type and changed permission

    Dear All.. Our Linux server (RHEL 3) was shutdown abruptly few times due to power problem. After starting the server, we are not able to start...

    Started by ajay_chauhan, 09-16-2008
    • Replies: 1
    • Views: 1,152
    06-08-2009 Go to last post
  4. Post super secure OS

    hello friends, I need super secure OS for my server - When I open my IP in browser My server has to send me words "hello world" only. I don't need...

    Started by miamia1, 06-06-2009
    • Replies: 4
    • Views: 1,230
    06-08-2009 Go to last post
  5. password length problem

    Hi I have an amazing password authentication problem in my linux boxes... When I had installed the o/s, it was accepting 11 characters password.....

    Started by sangfroid, 09-02-2008
    • Replies: 2
    • Views: 1,260
    06-06-2009 Go to last post
  6. bash auditing

    Hi dear friends I have an RHEL5 installed and I gave all users on it rbash shell, Now I want to audit all commands that they did in there shell once...

    Started by reakyrok, 05-31-2009
    • Replies: 2
    • Views: 1,533
    06-06-2009 Go to last post
  7. iptables and 'new not syn' packets

    Hello, Our machines are running behind a Debian firewall/router with iptables, under a 2.6.26 kernel, and with a fairly generic set of rules. One...

    Started by BNSC, 06-05-2009
    • Replies: 4
    • Views: 9,362
    06-06-2009 Go to last post
  8. Using PHP to restart apache

    I am trying to figure out if this is a terrible security risk. I need to have PHP restart apache in order to effect changes made to httpd.conf. ...

    Started by jimjimbobim, 07-31-2003
    • Replies: 5
    • Views: 16,124
    06-05-2009 Go to last post
  9. Post :: Cryptography on Linux ::

    I need to develop a system which interacts with a web service by sending encrypted information to it on linux. Kindly help me with my queries: a)...

    Started by manas4u, 05-20-2009
    • Replies: 3
    • Views: 2,977
    06-04-2009 Go to last post
  10. Instantantly destructable and re coverable file system implementation possibilty

    As a linux and windows developer on medical applications, until my computer was examined some people and destroyed OS on it while I was not in...

    Started by cozakay, 06-03-2009
    • Replies: 0
    • Views: 1,057
    06-03-2009 Go to last post
  11. iptables

    hi all could u plz send me some iptables examples for input , output & forward chains for redhat enterprise linux 4 :p:p

    Started by kshankar97, 05-24-2009
    • Replies: 3
    • Views: 1,249
    05-28-2009 Go to last post
  12. Change file permissions recursively (but not affecting directories)

    Hi Is it possible to change file permissions recursively (let's say to 600) without affecting permissions of the directories where the files are...

    Started by mpblue, 07-27-2005
    • Replies: 5
    • Views: 36,597
    05-27-2009 Go to last post
  13. Folder Permissions for Two Users

    I have a server running SLES 10.1 and using pure-ftpd. I need users to have access to specific folders. When the user connects via FTP to the server,...

    Started by zerowizard, 05-22-2009
    • Replies: 4
    • Views: 2,092
    05-26-2009 Go to last post
  14. iptables: No chain/target/match by that name

    Hi, I have a perl script which runs the iptables chain below everytime a UDP flood is detected originating from within the network. I want to...

    Started by billy_bass26, 05-26-2009
    • Replies: 1
    • Views: 8,902
    05-26-2009 Go to last post
  15. changing warning mesage or emailing it

    Hi friends I have a small problem I want to take you opinion in it, I did a password restriction for all users in my server using PAM modules...

    Started by reakyrok, 05-22-2009
    • Replies: 1
    • Views: 777
    05-22-2009 Go to last post
  16. Desperately Seeking Help Linux/Windows knowledge -- Sanity at Stake

    Hi. The above title is a little dramatic I realize, but it is nonetheless close to the truth. In fact, this is the second forum from which I have...

    Started by ConnorX, 05-19-2009
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,840
    05-21-2009 Go to last post
  17. Exclamation bots or hackers ?

    From awstats of my website -- i can see someone (robot?) trying to access following links which i don't have. /m/ /wap/ /cgi-sys/India ...

    Started by Lakshmipathi, 03-19-2009
    2 Pages
    1 2
    • Replies: 17
    • Views: 5,775
    05-19-2009 Go to last post
  18. ebtable:BridgeFirewall that allowsSSH in, and allows http/https out, but nothing else

    I'm trying to make a bridge firewall that allows ssh in, and allows http/https out, but nothing else... ebtable ruleset isn't working :( This is...

    Started by debianfirewall, 05-18-2009
    • Replies: 0
    • Views: 4,254
    05-18-2009 Go to last post
  19. user login

    Hello, I am having 18 servers which 50 users are accessing,from some days we are facing issues such as somebody deleting few files from server.Is...

    Started by rishi_nandedkar, 05-15-2009
    • Replies: 1
    • Views: 1,030
    05-16-2009 Go to last post
  20. need some advice on Installing Tripwire

    Dear all, I'm totally new to Linux and start to learn more about Linux. Here i need some advice on Installing Tripwire. I have uploaded...

    Started by ChongAik, 04-30-2009
    • Replies: 2
    • Views: 1,347
    05-09-2009 Go to last post

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