ok i give steps step by step :
[root@cpnet etc]# vim sysconfig/iptables
E576: viminfo: Missing '>' in line: s
E576: viminfo: Missing '>' in line: ^I"^I1^I0
Press ENTER or type command to continue
# Generated by iptables-save v1.4.7 on Mon Oct 25 12:32:13 2021
*filter
:INPUT ACCEPT [2930774:845104971]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [2706414:470741316]
-A INPUT -p tcp -m tcp --dport 8043 -j ACCEPT
COMMIT
-I INPUT -p tcp --dport 8043 -j ACCEPT
# Completed on Mon Oct 25 12:32:13 2021
# Generated by iptables-save v1.4.7 on Mon Oct 25 12:32:13 2021
*nat
REROUTING ACCEPT [1461:244190]
OSTROUTING ACCEPT [3112148:194695469]
:OUTPUT ACCEPT [3112148:194695469]
-A PREROUTING -p udp -m udp --dport 162 -j REDIRECT --to-ports 1162
-A PREROUTING -p udp -m udp --dport 514 -j REDIRECT --to-ports 1514
-A PREROUTING -p udp -m udp --dport 69 -j REDIRECT --to-ports 1069
-A OUTPUT -d 127.0.0.1/32 -p udp -m udp --dport 162 -j REDIRECT --to-ports 1162
-A OUTPUT -d 127.0.0.1/32 -p udp -m udp --dport 162 -j REDIRECT --to-ports 1162
COMMIT
# Completed on Mon Oct 25 12:32:13 2021
////////////////////////////////////////////////////////////////
[root@cpnet ~]# service iptables restart
iptables: Setting chains to policy ACCEPT: mangle filter [ OK ]
iptables: Flushing firewall rules: [ OK ]
iptables: Unloading modules: [ OK ]
iptables: Applying firewall rules: iptables-restore: line 8 failed
[FAILED]
//////////////////////////////////////////////////////////////////////////////////////
so I can't to access via 8043 !!!
so i need what's other check can i use to allow port 8043 work !!!
i wait your reply and thanks