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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 linuxforums.org 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: 72,765
    01-11-2010 Go to last post
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  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: 11,785
    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: 7,179
    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: 1,008
    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: 1,409
    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: 8,603
    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: 3,538
    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: 5,819
    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: 934
    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: 5,363
    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: 6,584
    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: 1,812
    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: 18,473
    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: 3,781
    04-01-2009 Go to last post
  14. Can't add rule to Snort

    Hey guys, I'm trying to add this rule on https://www.honeynet.org/node/388 to snort so that it can detect computers on my network that have been...

    Started by SagaciousKJB, 03-31-2009
    • Replies: 0
    • Views: 1,093
    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: 1,066
    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: 34,233
    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, 02-23-2009
    • Replies: 1
    • Views: 1,132
    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: 2,522
    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: 2,333
    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: 1,153
    03-16-2009 Go to last post

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