{"id":32,"date":"2017-10-08T07:02:00","date_gmt":"2017-10-08T07:02:00","guid":{"rendered":"https:\/\/linuxadmin.melberi.com\/uncategorized\/iptables-enable-ss"},"modified":"2017-10-08T16:27:44","modified_gmt":"2017-10-08T16:27:44","slug":"iptables-ssh","status":"publish","type":"post","link":"https:\/\/www.melberi.com\/linuxadmin\/iptables\/iptables-ssh","title":{"rendered":"How to Allow ssh port in iptables"},"content":{"rendered":"

How to Allow Deny iptables inbound outbound access for ssh port on Interface IP Based MAC Based etc<\/p>\n

IPTables Allow SSH on any Interface<\/strong><\/span><\/h3>\n

Below command will enable SSH port in all the interface.
\n# iptables -A INPUT -p tcp –dport 22 -j ACCEPT<\/strong><\/p>\n

IPTables Allow SSH on specific IP<\/b><\/span><\/h3>\n

Run the following\u00a0command in the Linux Shell<\/p>\n

# iptables -A INPUT -d 10.5.0.1\/32 -p tcp –dport 22 -j ACCEPT<\/b><\/p>\n

Or<\/strong><\/p>\n

Edit \/etc\/sysconfig\/iptables and add the following lines<\/p>\n

#vim \/etc\/sysconfig\/iptables<\/strong><\/p>\n

*filter<\/span>
\n :INPUT ACCEPT [0:0]<\/span>
\n :FORWARD ACCEPT [0:0]<\/span>
\n :OUTPUT ACCEPT [1888:534373]<\/span>
\n -A INPUT -i lo -j ACCEPT<\/span>
\n -A INPUT -m conntrack –ctstate RELATED,ESTABLISHED -j ACCEPT<\/span>
\n -A INPUT -d 10.5.0.1\/32 -p tcp -m tcp –dport 22 -j ACCEPT<\/b><\/span>
\n -A INPUT -j DROP<\/span>
\n COMMIT<\/span><\/p>\n

replace x.x.x.x with your server interface ip<\/p>\n

IPTables Allow SSH on Specific interface<\/u><\/b><\/span><\/h3>\n

# iptables -A INPUT -i eth0 -p tcp –dport 22 -j ACCEPT<\/strong><\/p>\n

Or<\/p>\n

Edit \/etc\/sysconfig\/iptables and add the following lines<\/p>\n

*filter<\/span>
\n :INPUT ACCEPT [0:0]<\/span>
\n :FORWARD ACCEPT [0:0]<\/span>
\n :OUTPUT ACCEPT [1888:534373]<\/span>
\n -A INPUT -i lo -j ACCEPT<\/span>
\n -A INPUT -m conntrack –ctstate RELATED,ESTABLISHED -j ACCEPT<\/span>
\n -A INPUT -i eth0 -p tcp -m tcp –dport 22 -j ACCEPT<\/strong><\/span>
\n -A INPUT -j DROP<\/span>
\n COMMIT<\/span><\/p>\n

Restart iptables service<\/strong><\/p>\n

#service iptables restart<\/b><\/div>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

How to Allow Deny iptables inbound outbound access for ssh port on Interface IP Based MAC Based etc IPTables Allow SSH on any Interface Below command will enable SSH port… Read more »<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[104,110],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.melberi.com\/linuxadmin\/wp-json\/wp\/v2\/posts\/32"}],"collection":[{"href":"https:\/\/www.melberi.com\/linuxadmin\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.melberi.com\/linuxadmin\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.melberi.com\/linuxadmin\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.melberi.com\/linuxadmin\/wp-json\/wp\/v2\/comments?post=32"}],"version-history":[{"count":5,"href":"https:\/\/www.melberi.com\/linuxadmin\/wp-json\/wp\/v2\/posts\/32\/revisions"}],"predecessor-version":[{"id":486,"href":"https:\/\/www.melberi.com\/linuxadmin\/wp-json\/wp\/v2\/posts\/32\/revisions\/486"}],"wp:attachment":[{"href":"https:\/\/www.melberi.com\/linuxadmin\/wp-json\/wp\/v2\/media?parent=32"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.melberi.com\/linuxadmin\/wp-json\/wp\/v2\/categories?post=32"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.melberi.com\/linuxadmin\/wp-json\/wp\/v2\/tags?post=32"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}