System Security


SE Linux
Security Enhanced Linux

grsecurity
grsecurity

sevices
SshSecurity
SslCertificates
DenyHosts
Fail2Ban
WebminSecurity

nmap
look for other HTTP servers on
$ nmap 10.10.10.10/24 -p 80


chmod
ChMod

last
who / when were the last users to login ?
# last -d

root     pts/0        10.10.10.10      Tue May 20 17:27   still logged in
root     pts/0        10.10.10.10      Tue May 20 16:46 - 16:55  (00:08)
tony     pts/0        10.10.10.10      Tue May 20 14:15 - 16:43  (02:27)
alex     pts/2        10.10.10.10      Tue May 20 12:10 - 16:01  (03:51)
root     pts/0        10.10.10.10      Tue May 20 12:09 - 12:12  (00:03)


system-config-securitylevel
Sometimes you may want to make your system less secure ! You can use system-config-securitylevel to temporarily turn off SE Linux and your firewall so you can test if either of these features are preventing your application from working !

# system-config-securitylevel-tui



REFERRERS
SystemServices
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