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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: 73,686
    01-11-2010 Go to last post
  1. Root account with no password.

    Hello, I'd like to do something that is opposite to this forum's name: I'd like to login as root without the need to specify the password. How do I...

    Started by kyku, 09-07-2007
    • Replies: 6
    • Views: 1,763
    09-08-2007 Go to last post
  2. What is ?}

    Hi I'm concerned by some readouts I'm seeing. I'm using ps , and webmin, and they are showing some processs running, ?} which I do not...

    Started by calhoun, 09-03-2007
    • Replies: 5
    • Views: 1,866
    09-04-2007 Go to last post
  3. Linux Software router

    Hi all, I am doing some call admission control work and want to make a basic router using a linux machine. I had it working last year but am...

    Started by richgood2005, 08-31-2007
    • Replies: 2
    • Views: 2,060
    08-31-2007 Go to last post
  4. Error in default mask ACL

    Hi, friends. I'm having trouble setting ACL in a shared folder. If I do this: #setfacl -m d:u::rwx,d:g:share:rwx,d:o:r,d:m:rwx dir the...

    Started by GlaucoH, 08-07-2007
    • Replies: 1
    • Views: 1,247
    08-30-2007 Go to last post
  5. Need help 'hiding my electronic identity' =)

    I ran across this site earlier today when looking to measure my bandwidth. I gave the other apps a whirl and came across some scary results. I...

    Started by ImNeat, 08-29-2007
    • Replies: 2
    • Views: 937
    08-29-2007 Go to last post
  6. Smile learn more about iptables

    Dear All, I am really interested in learn Linux Iptables firewall. When I am doing my configurations I always use iptables firewall rules for get...

    Started by all2dark, 08-28-2007
    • Replies: 1
    • Views: 1,055
    08-28-2007 Go to last post
  7. About iptables rules

    Hi folks, Ubuntu 7.04 lamp server amd64 - Host OS VMware Guest OS - not yet installed. Iptables-1.3.6 $ cat /etc/network/interfaces

    Started by satimis, 08-24-2007
    • Replies: 8
    • Views: 9,440
    08-26-2007 Go to last post
  8. host.deny and host.allow not found

    Hi folks, Ubuntu 7.04 lamp server amd64 The files host.deny and host.allow can't be found. $ sudo find / -name hosts.deny $ sudo find /...

    Started by satimis, 08-24-2007
    • Replies: 1
    • Views: 3,384
    08-25-2007 Go to last post
  9. MAC or IP to use in FIREWALL ?

    to controll access to services in my network,which one is better,to block/allow using ip addresses or mac addresses both can be spoofed easily !

    Started by xploita, 08-10-2007
    • Replies: 3
    • Views: 1,203
    08-22-2007 Go to last post
  10. A real beginner to linux and security

    HI what is the recommended security for a person that is new to Linux and security for the machine obviously because I get on the net. I know that...

    Started by rapattack, 08-18-2007
    • Replies: 4
    • Views: 1,512
    08-18-2007 Go to last post
  11. OpenSSH user/host authentication: RSA versus DSA which provides stronger security?

    I'd like to solicit opinions on this topic. I've been reading much material on the topic and cannot seem to find a definitive/satisfying answer;...

    Started by davebardsley, 10-28-2005
    • Replies: 2
    • Views: 108,044
    08-15-2007 Go to last post
  12. Angry Problem ping Vista from Fedora after IPSec setup

    I need to setup secured connection between a Fedora to a Vista box. I was able to set up secured connection between my Fedora 7 box to a WinXP, Win2K...

    Started by qan14526, 08-14-2007
    • Replies: 0
    • Views: 2,090
    08-14-2007 Go to last post
  13. Question Moving keys / .ssh?

    A question regarding moving keys and .ssh folders. I need to move users from one server (ServerC) to a new server (ServerA); in the process can I...

    Started by mjc, 08-10-2007
    • Replies: 2
    • Views: 1,444
    08-10-2007 Go to last post
  14. performance firewall

    Hi guyz n gals, I have a few queries pertaining to an iptables firewall that I have running at my company that sits in front of a webserver that is...

    Started by zaktalanos, 08-10-2007
    • Replies: 0
    • Views: 994
    08-10-2007 Go to last post
  15. Win32/PolyCrypt Virus on my

    Ok, been running Ubuntu for about two years now quite happily, and even though it's not really thought of as necessary I still scan for viruses every...

    Started by WebThingy, 08-09-2007
    • Replies: 2
    • Views: 2,597
    08-09-2007 Go to last post
  16. Firewall Programing

    Hey, I'm doing a little research about tools i need to build a firewall. It's a university project, and i was looking for actually a way to write a...

    Started by blacksadness, 08-07-2007
    • Replies: 1
    • Views: 1,321
    08-07-2007 Go to last post
  17. Nessus installation on Ubuntu

    I am using Ubuntu. If you have a link or documentation to run the Nessus scanner that would be awesome ! :)

    Started by amitbhatia20, 07-27-2007
    • Replies: 2
    • Views: 2,143
    08-07-2007 Go to last post
  18. Partition security?

    I was curious. If you system is hacked or somehow security is compromised from the outside, can the hacker gain access to all all of your parts of...

    Started by Katabatic, 08-03-2007
    • Replies: 5
    • Views: 1,894
    08-05-2007 Go to last post
  19. Question Mysterious downloading from time to time

    Hi folks, I've recently had a recurrence of a problem I've noticed a few times - for no apparent reason the modem on my firewall box will be...

    Started by Nontagonist, 07-12-2007
    • Replies: 2
    • Views: 987
    08-04-2007 Go to last post
  20. Are my iptables working

    I'm trying to send my router syslog messages to my Fedora 7 box. So I'm want to open udp port 514. I typed - iptables -A INPUT -i eth0 -p udp...

    Started by Criller, 08-02-2007
    • Replies: 4
    • Views: 1,966
    08-04-2007 Go to last post

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