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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: 50,961
    01-11-2010 Go to last post
  2.  
  1. iptables port forwarding problem

    Hi everybody! I am trying to forward port 2080 from the public machine to an internal machine to port 80. ...

    Started by bogdan_bartos, 06-30-2009
    • Replies: 2
    • Views: 2,995
    07-06-2009 Go to last post
  2. Tracking down source of bots with user nobody

    I have a multiuser server that has apache running as nobody and bots using RFI exploits to drop php shells. The shells are being used to drop psybnc...

    Started by cosmicmittens, 07-02-2009
    • Replies: 3
    • Views: 993
    07-02-2009 Go to last post
  3. where is the real webmaster entry for apache

    Hello I m confused this time :confused: , The real webmaster's name is entered in /etc/aliases file as far as I know. I have set the...

    Started by vickey_20, 07-01-2009
    • Replies: 0
    • Views: 527
    07-01-2009 Go to last post
  4. Inform user of locked account

    Hello, I'm on Fedora core 8 and I recently finished configuring pam to deny access after a certain number of failed login attempts. My pam...

    Started by jpeg, 06-23-2009
    • Replies: 3
    • Views: 838
    07-01-2009 Go to last post
  5. Question Iptables connection limiting

    Hey Everyone, I'm a near-total Linux newbie, and for now, this is just a proof-of-concept question: is it possible to create such a block with...

    Started by ThunderBird89, 05-25-2009
    • Replies: 9
    • Views: 3,014
    06-30-2009 Go to last post
  6. iptables filtering GRE traffic

    Hi, I am wondering if iptables can filter TCP traffic that's inside a GRE tunnel. Does iptables look for protocol field of the innermost IP or...

    Started by echo_2008, 06-11-2009
    • Replies: 1
    • Views: 3,113
    06-29-2009 Go to last post
  7. [SOLVED] encrypt file without root

    Hi people, Title pretty much says it all. I have a file on a remote server that I want to encrypt, but I don't have root there. Asking them to...

    Started by martasrealm, 06-28-2009
    • Replies: 2
    • Views: 957
    06-28-2009 Go to last post
  8. Entire disk encryption

    I'm trying to test the feasibility of an idea: I want to encrypt a laptop's hard drive in its entirety. I was planning on doing this by having...

    Started by monday90, 06-17-2009
    • Replies: 3
    • Views: 1,003
    06-21-2009 Go to last post
  9. Smile MD4 digest calculation

    Hii i hv a hex 0x53006500630052004500740030003100 and according to wikipedia MD4 digest of this is: 0xcd06ca7c7e10c99b1d33b7485a2ed808 Can...

    Started by viku, 06-15-2009
    • Replies: 1
    • Views: 1,689
    06-15-2009 Go to last post
  10. returned mail

    not so much a linux problem, but, I had an email returned, and the returned mail was NOTHING like the addy I sent to, this mail was regarding a labor...

    Started by bigvoo, 06-13-2009
    • Replies: 2
    • Views: 567
    06-14-2009 Go to last post
  11. Linux kernal

    Dear all i need totoriala for kernal compilation ,, need tutorials for tomcat web server ,,, link to download tomcat web server,,, :?

    Started by kshankar97, 06-11-2009
    • Replies: 3
    • Views: 659
    06-11-2009 Go to last post
  12. 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: 8,044
    06-11-2009 Go to last post
  13. 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: 968
    06-08-2009 Go to last post
  14. 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: 861
    06-08-2009 Go to last post
  15. 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: 931
    06-08-2009 Go to last post
  16. 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: 970
    06-06-2009 Go to last post
  17. 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: 1,144
    06-06-2009 Go to last post
  18. 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: 4,941
    06-06-2009 Go to last post
  19. 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: 15,172
    oz
    06-05-2009 Go to last post
  20. 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: 1,643
    06-04-2009 Go to last post

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