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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: 73,136
    01-11-2010 Go to last post
  1. linux ip table firewall

    Hi I wrote a firewall for my router (see below)... But because I'm a linux noob I'm not fully convinced of the firewall itself. Please take some...

    Started by Notorious, 04-26-2004
    • Replies: 1
    • Views: 8,337
    04-27-2004 Go to last post
  2. How I can use Heartbeat control Squid? For in case 2 CPU

    On linux I Have 2 Cpu 1.Masterproxy 2.Slaveproxy and I use rsync to backup data in Masterproxy to Slaveproxy I want to use Heartbeat...

    Started by tua_bcc, 04-21-2004
    • Replies: 0
    • Views: 4,083
    04-21-2004 Go to last post
  3. IPtables & VPN's

    Hi i want a remote user to be able to access my network from home. I currently operate an IPTABLES firewall (Red Hat 7.2) protecting my business...

    Started by dalton, 04-20-2004
    • Replies: 1
    • Views: 1,881
    04-20-2004 Go to last post
  4. ssl and self certs

    I have set up ssl and just want to check something. I have generated my own certificate. does this make my ssl less secure than someone who bought...

    Started by kpzani, 03-20-2004
    • Replies: 8
    • Views: 2,158
    04-20-2004 Go to last post
  5. IPTABLES Remote User Question

    Hi, Currently i'm using a RedHat 7.2 Iptables Firewall securing my network on an adsl broadband connection. The firewall is of course stripped down...

    Started by dalton, 04-16-2004
    • Replies: 5
    • Views: 1,506
    04-19-2004 Go to last post
  6. kernel level security-help

    Iam working with kernel to find the security holes and to fix it . I find most of the problems upto kernel 2.4 and I have found more security...

    Started by shankar, 04-19-2004
    • Replies: 0
    • Views: 1,202
    04-19-2004 Go to last post
  7. problems with menuconfig in kernel 2.4

    I want to add a new security patch and to enable with kernel 2.4 downloaded from I have added the security patch in...

    Started by shankar, 04-19-2004
    • Replies: 0
    • Views: 1,081
    04-19-2004 Go to last post
  8. pass phrase from disk in ppdd

    I am using ppdd to encrypt a directory on my system. i want to configure ppdd to read the pass phrase from the disk and mount the directory...

    Started by shashi_lq, 04-16-2004
    • Replies: 0
    • Views: 1,009
    04-16-2004 Go to last post
  9. is my recent /var/log/messages

    Recently I am suffering from the system rebooting. I usually run simulation job overnight and my job seems to be killed due to the system...

    Started by hyeoncb, 04-12-2004
    • Replies: 9
    • Views: 8,904
    04-16-2004 Go to last post
  10. Request: Suggestion for Simple Packet Filter/Firewall

    I'm in need of a simple packet filter/firewall. By simple I mean effective, but I don't need all the features of iptables such as forwarding. I want...

    Started by carmstrong, 04-12-2004
    • Replies: 1
    • Views: 1,350
    04-13-2004 Go to last post
  11. try out this simple port scanner that im working on in perl

    save this code in a file called portscan, save it to /usr/bin, and give it execution writes with chmod /usr/bin/portscan 777 (777 for simplicity, you...

    Started by hex, 04-10-2004
    • Replies: 0
    • Views: 15,270
    04-10-2004 Go to last post
  12. Anyone have or read a good book on LInux/Unix Security?

    Let me be direct. I do know how to use AMAZON and google. What I was hoping for was a recommendation from somebody who has either had a class or...

    Started by bigfootnmd, 02-18-2004
    • Replies: 5
    • Views: 1,691
    04-08-2004 Go to last post
  13. Security Commands

    Hello guys, I am searching for all Linux commands realted in security, if someone can help me i will be very thankful

    Started by Ivan, 04-04-2004
    • Replies: 6
    • Views: 7,238
    04-08-2004 Go to last post
  14. Samsung P30 Fingerprint

    I want to buy a labtop. I like Samsung P30. I want to know if is there any software to fingerprint of this labtop to linux? Does fingerprint work...

    Started by mikij1, 04-01-2004
    • Replies: 2
    • Views: 3,063
    04-02-2004 Go to last post
  15. Problem with /dev/pts/* owners

    Hi, I have authentication through ldap in my network and am using fedora core1 Problem is that whenever the users get logged in, the ownership of...

    Started by anand, 03-31-2004
    • Replies: 0
    • Views: 2,109
    03-31-2004 Go to last post
  16. Linux vulnerability patches

    I believe Microsoft offers a database of sorts (in XML format - mssecure.xml) which provides all the patch related information (product name, patch...

    Started by jhewitt, 03-24-2004
    • Replies: 2
    • Views: 1,297
    03-24-2004 Go to last post
  17. System hacked ? Is it possible?

    Hi, yesterday i set up a Debian box 2.4.18 with nothing much more than a ISDN-Card (hisax, isdn) and a NIC. hosts.deny : ALL: ALL hosts.allow :...

    Started by vost, 03-22-2004
    • Replies: 8
    • Views: 2,595
    03-23-2004 Go to last post
  18. Default firewall install Red Hat 9?

    I've recently installed RedHat 9 - and being a newbie to Linux I haven't yet learned all I need to know in order to selectively configure. As...

    Started by gadfly, 03-19-2004
    • Replies: 7
    • Views: 6,199
    03-22-2004 Go to last post
  19. samba interfaces

    I am using firestarter to protect my lan. my firewall is the same machine that i use as a samba server. I haven't used any directives in the...

    Started by kpzani, 03-20-2004
    • Replies: 0
    • Views: 2,392
    03-20-2004 Go to last post
  20. nobody:x:99:99 line in /etc/passwd ??

    Hi ! I found a nobody:x:99:99 or similar line in my /etc/passwd file. I got suspicious and deleted it. Should there be such a line ? Thanks. Does...

    Started by Goran, 03-14-2004
    • Replies: 1
    • Views: 6,309
    03-14-2004 Go to last post

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