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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: 73,270
    01-11-2010 Go to last post
  1. file size limit with sftp and/or scp

    Hi group, I have posted this question on other forums with no working solutions. Is there a way to limit, on the server side, the size of...

    Started by MrUmunhum, 03-31-2009
    • Replies: 3
    • Views: 12,041
    04-24-2009 Go to last post
  2. ssh hacking attempt

    Someone is trying to ssh into my box, and I'm wondering what this string means Mar 13 11:25:17 shimmy-desktop@mousebaked sshd: Did not receive...

    Started by SagaciousKJB, 03-13-2009
    2 Pages
    1 2
    • Replies: 11
    • Views: 7,231
    04-23-2009 Go to last post
  3. Secure mail spools

    SMTP, POP3 and IMAP over SSL, no problem -- secure communications. But what about securing the email when its sitting idle on the server? Not...

    Started by thehemi, 04-21-2009
    • Replies: 2
    • Views: 1,022
    04-23-2009 Go to last post
  4. original rpm for CPsrsc-50 for RHEL 7.3

    Don't suppose anyone has the original rpm for CPsrsc-50 for RHEL 7.3 I have a working instance, however, I know longer have the original rpm or...

    Started by mstrfixit, 04-04-2009
    • Replies: 4
    • Views: 1,416
    04-22-2009 Go to last post
  5. Encrypting USB external harddrive

    Hi all I bought a 500GB Western Digital external harddrive today. I would like to create one huge ext3 partition on it and use it for file...

    Started by robz0rz, 03-14-2009
    • Replies: 9
    • Views: 8,653
    04-19-2009 Go to last post
  6. Question Patch Level Report Extraction

    Hi there, Is there a way to check patch level of a Suse and Redhat servers (any version)? The goal of this check is to ensure that the server is...

    Started by venksel, 04-15-2009
    • Replies: 1
    • Views: 3,556
    04-15-2009 Go to last post
  7. PowerBroker alternative

    Hi. I currently administrate a computer lab. Recently i've been asked for the root password of the machines in that laboratory, since the number of...

    Started by plaga701, 04-14-2009
    • Replies: 6
    • Views: 6,013
    04-15-2009 Go to last post
  8. web hosting server

    Hello, I want to setup a web hosting server on Ubuntu 8.04 LTS Server. Is my choice any good ? Please suggest another distribution if not. ...

    Started by psergiu, 03-31-2009
    • Replies: 2
    • Views: 948
    04-13-2009 Go to last post
  9. Exclamation ~ IPTables : Limit Incoming UDP Packets With a Certain Length ~

    Hello, I am currently trying to limit incoming UDP length 20 packets on a per IP basis to 5 a second using IPTables on a Linux machine (CentOS...

    Started by TomBoy123, 04-04-2009
    • Replies: 2
    • Views: 5,680
    04-10-2009 Go to last post
  10. Exclamation New Virus For Ubuntu/Linux?

    Hi Guys, Well here I was doing some research online for work, no apps open except the browser (FF3 or Epiphany, can't remember) and two terminals...

    Started by antony7, 01-27-2009
    2 Pages
    1 2
    • Replies: 11
    • Views: 6,652
    04-07-2009 Go to last post
  11. Scary rkhunter output

    So I ran rkhunter just to make sure things are on the up and up, and I found a couple of things that are suspect When checking the network it came...

    Started by Dann, 04-03-2009
    • Replies: 2
    • Views: 1,818
    04-07-2009 Go to last post
  12. [SOLVED] hacked by spammer? (sendmail-mta running wild)

    Hello! I came back to work after some time, and noticed that my logs are running very big... I traced it to the sendmail-mta program that somehow...

    Started by alfmarius, 04-03-2009
    • Replies: 1
    • Views: 18,826
    04-03-2009 Go to last post
  13. I think I have been hacked, root password has been changed

    I turn on my fedora 9 and I am browsing through files and I see that an account by the name of SirLnX, in my /home directory. My firewall is down,...

    Started by tim.pirate, 04-01-2009
    • Replies: 7
    • Views: 3,869
    04-01-2009 Go to last post
  14. Can't add rule to Snort

    Hey guys, I'm trying to add this rule on to snort so that it can detect computers on my network that have been...

    Started by SagaciousKJB, 03-31-2009
    • Replies: 0
    • Views: 1,100
    03-31-2009 Go to last post
  15. Security for newbies

    Hi, I've a problem to solve and I hope some of you may help me. A friend of me, who are basically ignorant with computer, have high security...

    Started by Alpointe, 03-30-2009
    • Replies: 3
    • Views: 1,075
    03-30-2009 Go to last post
  16. Zone alarm/alternative

    Hello, would zone alarm work on linux? if it does, will it work good? and if it doesnt, are there other firewalls very much like it so that i can...

    Started by vampire slayer, 02-19-2005
    • Replies: 4
    • Views: 34,303
    03-29-2009 Go to last post
  17. SELinux

    Hi all, I have a question about SElinux. I want to know what does this message mean: Avc : denied {getaatr} for comm=’a.out’ dev=devpts egid=0...

    Started by tatata, 02-22-2009
    • Replies: 1
    • Views: 1,150
    03-29-2009 Go to last post
  18. passwd : how to setup it ?

    Hello, when trying to setup a password with the standard system command 'passwd' I receive following message : BAD PASSWORD : it is based on a...

    Started by bcostacurta, 03-17-2009
    • Replies: 6
    • Views: 2,547
    03-18-2009 Go to last post
  19. Way (ways) to change uid of a process

    Hello All! I'm newbie in unixes and in doubt in one question. How we can change a euid of a process? Become a root for example. The only...

    Started by psea, 03-16-2009
    • Replies: 0
    • Views: 2,343
    03-16-2009 Go to last post
  20. Question [SOLVED] Firewall activation at boot

    Is there a way to have Firestarter start without requiring a password. I tried to set Firestarter active on boot / login, but it failed because a...

    Started by graphicks, 03-16-2009
    • Replies: 2
    • Views: 1,184
    03-16-2009 Go to last post

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