{"id":785,"date":"2018-10-19T07:34:06","date_gmt":"2018-10-19T07:34:06","guid":{"rendered":"http:\/\/hyderabadwebhosting.in\/blog\/?p=785"},"modified":"2018-10-28T07:45:14","modified_gmt":"2018-10-28T07:45:14","slug":"block-ftp-access-using-csf-firewall","status":"publish","type":"post","link":"https:\/\/hyderabadwebhosting.in\/blog\/block-ftp-access-using-csf-firewall\/","title":{"rendered":"Block FTP access using csf firewall"},"content":{"rendered":"

To completely disable the FTP access on the server follow the below steps:<\/span><\/p>\n

root@server[#] vi \/etc\/csf\/csf.conf<\/pre>\n
Search for the lines:<\/span><\/p>\n
# Allow incoming TCP ports<\/span><\/p>\n
TCP_IN =<\/span><\/p>\n
and remove the port 21 from the list<\/span><\/p>\n
Save and quit.<\/span><\/p>\n
And then restart the CSF firewall using the below command:<\/span><\/p>\n
root@server[#] csf -r<\/pre>\n
If you want to block FTP access for a Specific IP then follow the below steps:<\/span><\/p>\n
root@server[#] vi \/etc\/csf\/csf.deny<\/pre>\n
and add the line :<\/span><\/p>\n
tcp:in:d=21:s=10.10.10.10<\/span><\/p>\n
save and quit<\/span><\/p>\n
And then restart CSF firewall using the below command:<\/span><\/p>\n
root@server[#] csf -r<\/pre>\n
If you want to allow FTP access for only one ip on the server and denied for all other IPS<\/span><\/p>\n
root@server[#] vi \/etc\/csf\/csf.conf<\/pre>\n
Then search for the line:<\/span><\/p>\n
# Allow incoming TCP ports<\/span><\/p>\n
and the remove the ports : 21 and 22<\/span><\/p>\n
also search for the line :<\/span><\/p>\n
# Allow outgoing TCP ports<\/span><\/p>\n
and remove the ports: 21 and 22<\/span><\/p>\n
Save and quit<\/span><\/p>\n
Then open the csf.allow file<\/span><\/p>\n
root@server[#] vi \/etc\/csf\/csf.allow<\/pre>\n
and add the entry as :<\/span><\/p>\n
tcp:in:d=21:s=10.10.10.10<\/span><\/p>\n
Save and Quit.<\/span><\/p>\n
And then restart the CSF service<\/span><\/p>\n
root@server[#] csf -r<\/pre>\n
Note: Replace the IP 10.10.10.10 with the Actual IP.<\/span><\/p>\n
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To completely disable the FTP access on the server follow the below steps: root@server[#] vi \/etc\/csf\/csf.conf Search for the lines: # Allow incoming TCP ports TCP_IN = and remove the port 21 from the list Save and quit. And then restart the CSF firewall using the below command: root@server[#] csf -r If you want to\u2026 Read More »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":786,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","footnotes":""},"categories":[6],"tags":[],"class_list":["post-785","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vps"],"_links":{"self":[{"href":"https:\/\/hyderabadwebhosting.in\/blog\/wp-json\/wp\/v2\/posts\/785","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hyderabadwebhosting.in\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hyderabadwebhosting.in\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hyderabadwebhosting.in\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hyderabadwebhosting.in\/blog\/wp-json\/wp\/v2\/comments?post=785"}],"version-history":[{"count":1,"href":"https:\/\/hyderabadwebhosting.in\/blog\/wp-json\/wp\/v2\/posts\/785\/revisions"}],"predecessor-version":[{"id":787,"href":"https:\/\/hyderabadwebhosting.in\/blog\/wp-json\/wp\/v2\/posts\/785\/revisions\/787"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hyderabadwebhosting.in\/blog\/wp-json\/wp\/v2\/media\/786"}],"wp:attachment":[{"href":"https:\/\/hyderabadwebhosting.in\/blog\/wp-json\/wp\/v2\/media?parent=785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hyderabadwebhosting.in\/blog\/wp-json\/wp\/v2\/categories?post=785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hyderabadwebhosting.in\/blog\/wp-json\/wp\/v2\/tags?post=785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}