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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: 52,367
    01-11-2010 Go to last post
  1. Stopping services

    I want to turn off several services which I do not use (I think?) whenI connect to the internet. These are (in rc.0 order): httpd, mysql, samba,...

    Started by clickit, 07-05-2008
    • Replies: 2
    • Views: 846
    07-21-2008 Go to last post
  2. Restrict a User from Uploading Files?

    I am wondering how I can restrict a user from uploading any files. Basically I am using a Linux server to host website files for web development...

    Started by rick_ca, 07-09-2008
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,713
    07-14-2008 Go to last post
  3. Mail server Cennection timed out for all smtp server

    I'am newbie for mail server. After I install CentOS 5.2. I try to send mail to my email. but It' not work. I get error msg from /var/log/maillog...

    Started by totiz, 07-10-2008
    • Replies: 1
    • Views: 2,234
    07-10-2008 Go to last post
  4. checkbox in php

    hi i want to use checkbox in php. i have function for each check should be running when this box is i can do this.

    Started by shyma, 06-17-2008
    • Replies: 1
    • Views: 1,368
    07-10-2008 Go to last post
  5. Couple of questions about format string vulnerabilities

    Hi everyone. I just starting reading a white paper about the so-called "format string attacks". The paper, which can be found at...

    Started by Master Blaster, 07-08-2008
    • Replies: 0
    • Views: 687
    07-08-2008 Go to last post
  6. Stopping a fork bomb

    I have a very unique problem with a fork bomb... I'm a game admin for a browser based real time strategy game written in PHP. A user managed to...

    Started by anubis2306, 07-08-2008
    • Replies: 2
    • Views: 3,896
    07-08-2008 Go to last post
  7. Port forwarding problem

    Hi folks, Ubuntu LAMP server IP - Local machine IP -

    Started by satimis, 07-07-2008
    • Replies: 2
    • Views: 807
    07-07-2008 Go to last post
  8. permissions

    how i can give apache server root permissions? please help me.

    Started by shyma, 06-12-2008
    • Replies: 9
    • Views: 1,207
    07-07-2008 Go to last post
  9. I'm under attack (sweeps)

    A couple of weeks ago I ran lastb on my server, and it came out with nothing. Long story short, Today I ran this: lastb | wc -l 88202From what I...

    Started by Freston, 06-27-2008
    2 Pages
    1 2
    • Replies: 10
    • Views: 1,498
    07-04-2008 Go to last post
  10. Unhappy some free date recovery software on linux?

    I have download data recovery wizard which could recovery EX2/3 file but can't work on linux:confused: They told me i only could recover EX2/3...

    Started by comer, 07-04-2008
    • Replies: 3
    • Views: 1,253
    07-04-2008 Go to last post
  11. Question antivirus client/server

    Hello, can I find an antivirus which has a structure of client/server used on linux. I sought on Net to draw a name but I did not find one. ...

    Started by rihab84, 06-26-2008
    • Replies: 1
    • Views: 1,300
    07-04-2008 Go to last post
  12. iptables restart

    hi i want to execute this command throgh php service iptables restart can you give me steps to do this? i means that steps to edit sudo.what i...

    Started by shyma, 06-30-2008
    • Replies: 1
    • Views: 9,238
    07-03-2008 Go to last post
  13. Tripwire instructions?

    Downloaded tripwire As I am under attack. Slackware 12.0. Everything is as tight as I can get it but s/he may be clever. Instructions...

    Started by clickit, 07-01-2008
    • Replies: 3
    • Views: 2,037
    07-02-2008 Go to last post
  14. root password expired - system not prompting for password change

    All, I have searched for this bit all over the internet and in this forum as well. Most of the posts here about root password are either about...

    Started by rizi, 07-02-2008
    • Replies: 0
    • Views: 2,898
    07-02-2008 Go to last post
  15. log accepted/drpped packets

    how i can log accepted and dropped packets? for example i have this rule iptables -A INPUT -p tcp --sport 80 -j ACCEPT iptables -A INPUT -p tcp...

    Started by shyma, 06-24-2008
    • Replies: 1
    • Views: 1,641
    06-24-2008 Go to last post
  16. scan port

    hi how i can scan ports to see what port is opened and what is closed in my computer in Linux fedora.

    Started by shyma, 06-20-2008
    • Replies: 1
    • Views: 3,568
    06-20-2008 Go to last post
  17. logging

    i want to view iptables log (not from /var/log/messages because this system log and i want only firewall log). what the command should i use to do...

    Started by shyma, 06-19-2008
    • Replies: 1
    • Views: 731
    06-20-2008 Go to last post
  18. analyzer for tcpdump TEXT file...?

    so ive stupidly saved traffic data to a text file... is there an analyzer for it? i tried sawmill but that needs binary file... or is there a...

    Started by westies870, 06-18-2008
    • Replies: 0
    • Views: 2,081
    06-18-2008 Go to last post
  19. fwrite function

    how i can write in specific line into file using fwrite php function. please help me.

    Started by shyma, 06-17-2008
    • Replies: 0
    • Views: 1,652
    06-17-2008 Go to last post
  20. Unhappy iptables - DNAT / ARP issues

    -------------------------------------------------------------------------------- Hello , Can someone pls tell me how to make my Linux Firewall...

    Started by vikram.anumukonda, 06-16-2008
    • Replies: 4
    • Views: 4,874
    06-17-2008 Go to last post

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