How do i secure my Centos Server?
Hi all, first post and linux noobie.
I have a dedicated server running centos 4 , im using it to learn linux and server management mainly, i have a website up and running on the server.
My hosting company contacted me the other day to tell me my server was being used to run a phishing site.I switched off apache and deleted the phishing files.Im worried about switching on apache again without knowing how to prevent future abuse.
I patch the server regularly doing a YUM update.
However i need to know how i can stop this happening again, what additional
security can i put in place?
You need to find out how the pisher got access to your server. ssh? broken php application (and abused the apache user)? Any other ports open (like webmin ports)
Still any open port as a backdoor open to the pisher? I got hacked once because of a faulty PHP app, and the hacker installed some backdoor listening on an obscure port.
Start looking at /var/log and scan all log files. Try to identify something unusual.
Great thanks will start doing that now.
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