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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: 73,272
    01-11-2010 Go to last post
  1. Help: Weirdness with ssh/pam when trying to ssh in

    So on one of the Linux systems here (2.6 kernel if it matters), there's some weirdness regarding trying to ssh into the system. Basically, if you...

    Started by Nabana, 04-01-2010
    • Replies: 1
    • Views: 813
    04-06-2010 Go to last post
  2. The Parent Trap

    We've recenlty purchased a three computers and I was wondering how I would go about making it so the two computers for the children could be locked...

    Started by NewJerseyMom8547, 04-05-2010
    • Replies: 6
    • Views: 1,353
    04-06-2010 Go to last post
  3. pam_tally2 prevent lockout

    Hi folks, I am trying to harden a production system running rhel 5.4 My problem is with pam_tally2.I want pam_tally2 to lockout almos all users...

    Started by Theleo, 04-03-2010
    • Replies: 0
    • Views: 3,127
    04-03-2010 Go to last post
  4. Question SMTP and VNC access without radius login

    Hello, Actually after posting several posts without an answer in chillispot and openwrt forums, I am putting my problems here. Please consider it....

    Started by pratikdbl, 04-02-2010
    • Replies: 0
    • Views: 886
    04-02-2010 Go to last post
  5. Question OpenPGP - MDC Packet - SHA1

    OpenPGP Standard RFC 4880 (Not Totally a Linux Question, but as I may be using GnuPG on Linux... I will ask anyhow :) The Modification...

    Started by tomehb, 03-29-2010
    • Replies: 1
    • Views: 1,038
    03-29-2010 Go to last post
  6. Unhappy Need to call chroot under normal unprevileged user !!

    Its been two days over, after my search started . But I didn't find answer any where ?. I need to call chroot as part of normal user, but to my...

    Started by gazolinia, 03-24-2010
    • Replies: 5
    • Views: 2,534
    03-29-2010 Go to last post
  7. linux security

    how can we protect our network from DDoS attacks. can we do this through iptables or some other firewall just like vyatta etc

    Started by iftikhar, 02-23-2010
    2 Pages
    1 2
    • Replies: 12
    • Views: 2,212
    03-22-2010 Go to last post
  8. Logins got loged in plain text

    Hi all I found a file in /usr/games/ which was a log of all successful logins. User name and password got loged in plain text. Due to this plain...

    Started by mjbohn, 03-22-2010
    • Replies: 5
    • Views: 1,262
    03-22-2010 Go to last post
  9. Trying to figure out how server was rooted

    Hi all, One of my servers was rooted recently. I'm trying to figure out how, to prevent it happening again. It's an OpenVZ virtual machine,...

    Started by kerm1t, 03-17-2010
    2 Pages
    1 2
    • Replies: 12
    • Views: 11,706
    03-22-2010 Go to last post
  10. Antivirus for Server

    hi I have a Linux Server for contact server which connects just to my LAN in the company. my LAN is connected to Internet. and I have some other...

    Started by leila5552, 03-10-2010
    • Replies: 8
    • Views: 1,437
    03-18-2010 Go to last post
  11. implementing stunnel

    I am trying to implement a POC (Proof of concept) Stunnel configurations between my VM (Fedora 9) and Windows 7. The problem is that every tutorial...

    Started by DanglingChap, 03-18-2010
    • Replies: 1
    • Views: 1,285
    03-18-2010 Go to last post
  12. Fail2ban and RHEL5

    I have used fail2ban on my debian server and I really like it. But when I installed it on my RHEL5 server it did not work right. It did not change or...

    Started by jordank, 03-03-2010
    • Replies: 1
    • Views: 1,494
    03-16-2010 Go to last post
  13. run bash commands as root.

    Hi. I need to launch a bash file in Linux from an unprivileged user session, file that will run bash commands as root. But I do not want to...

    Started by julia2009, 03-03-2010
    • Replies: 3
    • Views: 5,181
    03-15-2010 Go to last post
  14. Angry How to crack phishing webstte?

    Recently I'm receiving lot of spams about Income tax refund. I know these are phishing site :rolleyes: But I want to do something for these sites....

    Started by Lakshmipathi, 03-10-2010
    • Replies: 3
    • Views: 1,909
    03-10-2010 Go to last post
  15. HELP| Setup Firewall Server

    Hello! I have some servers, and i want to make one of them to a Firewall. How can I do it? Do you have any recommended software? ...

    Started by netanel, 03-07-2010
    • Replies: 2
    • Views: 1,038
    03-09-2010 Go to last post
  16. RPC not registered

    I am doing AUTO FS for NIS implementations, but after I put the command "showmount -e localhost(IP address), getting below error message ...

    Started by abhi082941, 03-01-2010
    • Replies: 1
    • Views: 1,187
    03-08-2010 Go to last post
  17. Help:"Protecting Data w/ Encrypted Linux Partitions"

    Hi! I was trying to follow the tutorial on "Protecting Data with Encrypted Linux Partitions" by Kashyap. After I moved all my data temporarily...

    Started by nujinini, 03-02-2010
    2 Pages
    1 2
    • Replies: 10
    • Views: 2,956
    03-05-2010 Go to last post
  18. Question How to use SUID/GUID and sticky bit?

    Hi all, I have a problem with SUID/GUID and sticky bit. When SUID or GUID or Sticky bit is set (without execute permission), it will not have any...

    Started by vhai, 03-02-2010
    • Replies: 3
    • Views: 5,001
    03-03-2010 Go to last post
  19. Plz help me for spoofing

    please i m running linux on my network. i have blocked user A because he blocked the internet connection from me. now user A use any mac address...

    Started by zaib1, 02-22-2010
    • Replies: 1
    • Views: 1,124
    02-22-2010 Go to last post
  20. Software Firewall or No Software Firewall?

    Software Firewall or No Software Firewall? I've been surfing around trying to find a definite answer to this question and its seems like...

    Started by gerard4143, 02-21-2010
    • Replies: 8
    • Views: 2,252
    02-22-2010 Go to last post

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