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CSF causes FTP Port Scan block
cPanel > Pure-FTP > CSF
I know this is posted a lot i'm just looking for a simple answer.
CSF keeps blocking legitimate FTP usage as Port Scans.
Pure-FTP is not set to use Passive mode but I can enable if needed.
Can someone post a simple solution?
I just posted a fix on a similar thread which will probably help out (if this is a VPS with a certain virtualization technology)
Hope this helps.
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Thanks, Posting here also. Hope this is the fix :O)
In /etc/csf/csf.conf create the passive FTP hole:
# Allow incoming TCP Ports
TCP_IN = "20,21,22,25,28,53,80,110,143,443,465,587,993,995,2077,2078,2082,2083,2086,2087,2095,2096,50000:51000"
In /etc/pure-ftpd.conf, uncomment the PassivePortRange directive and change to the following:
# Port range for passive connections replies. - for firewalling.
PassivePortRange 50000 51000
Stop/Start CSF and restart Pure FTP.
root:/# csf -x; csf -e;
root:/# /etc/init.d/pure-ftpd restart
And you must tell your customers to use Passive connections in their FTP client, rather than active
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