When i stop iptables
Server: dns ip
Address: dns ip#53
Non-authoritative answer:
Name: site.com
Address: ipaddress
When i start iptables,
;; connection timed out; no servers could be reached
Why does iptables blocks dns?
iptables -P INPUT DROP
iptables -P FORWARD DROP
iptables -P OUTPUT ACCEPT
iptables -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
iptables -I INPUT 1 -i lo -j ACCEPT
iptables -I OUTPUT 1 -o lo -j ACCEPT
//ssh
iptables -A INPUT -i eth0 -p tcp --dport 1234 -m state --state NEW,ESTABLISHED -j ACCEPT
iptables -A OUTPUT -o eth0 -p tcp --sport 1234 -m state --state ESTABLISHED -j ACCEPT
iptables -A INPUT -i eth0 -p icmp --icmp-type echo-request -m state --state NEW,ESTABLISHED,RELATED -j ACCEPT
iptables -A OUTPUT -o eth0 -p icmp --icmp-type echo-reply -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A INPUT -i eth0 -p icmp --icmp-type echo-reply -m state --state NEW,ESTABLISHED,RELATED -j ACCEPT
iptables -A OUTPUT -o eth0 -p icmp --icmp-type echo-request -m state --state ESTABLISHED,RELATED -j ACCEPT
iptables -A INPUT -i eth0 -p tcp --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT
iptables -A OUTPUT -o eth0 -p tcp --sport 80 -m state --state ESTABLISHED -j ACCEPT
iptables -A INPUT -i eth0 -p tcp --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT
iptables -A OUTPUT -o eth0 -p tcp --sport 443 -m state --state ESTABLISHED -j ACCEPT
iptables -A OUTPUT -p udp -o eth0 --dport 53 --sport 1024:65535 -j ACCEPT
iptables -A INPUT -p udp -i eth0 --sport 53 --dport 1024:65535 -j ACCEPT
iptables -A INPUT -m state --state NEW -m tcp -p tcp --dport 25 -j ACCEPT
This is what i entered in iptables.