Linux Iptables allow LDAP outgoing client request via firewall

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Allow outgoing LDAP client request from firewall host 202.54.1.20:
iptables -A OUTPUT -p udp -s 202.54.1.20 –sport 1024:65535 -d 0/0 –dport 389 -m state –state NEW,ESTABLISHED -j ACCEPT

iptables -A INPUT -p udp -s 0/0 –sport 389 -d 202.54.1.20 –dport 1024:65535 -m state –state ESTABLISHED -j ACCEPT

Posted by: Vivek Gite

The author is the creator of nixCraft and a seasoned sysadmin, DevOps engineer, and a trainer for the Linux operating system/Unix shell scripting. Get the latest tutorials on SysAdmin, Linux/Unix and open source topics via RSS/XML feed or weekly email newsletter.