Centos 7

[root@localhost ~]# iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
ACCEPT all -- anywhere anywhere
local_input all -- anywhere anywhere
ACCEPT all -- anywhere anywhere match-set allow src
udp_input udp -- anywhere anywhere
tcp_input tcp -- anywhere anywhere
icmp_input icmp -- anywhere anywhere
ACCEPT all -- anywhere anywhere ctstate RELATED,ESTABLISHED
DROP all -- anywhere anywhere

Chain FORWARD (policy ACCEPT)
target prot opt source destination

Chain OUTPUT (policy ACCEPT)
target prot opt source destination
REJECT tcp -- anywhere anywhere match-set steamips dst tcp dpt:27038 reject-with tcp-reset

Chain dns_input (1 references)
target prot opt source destination
DROP all -- anywhere anywhere recent: UPDATE seconds: 2 hit_count: 10 name: DNSAMP side: source mask: 255.255.255.255
ACCEPT all -- anywhere anywhere recent: SET name: DNSAMP side: source mask: 255.255.255.255
DROP all -- anywhere anywhere

Chain ftp_input (1 references)
target prot opt source destination
ACCEPT tcp -- anywhere anywhere tcp dpts:60000:61000
ACCEPT all -- anywhere anywhere ctstate NEW limit: up to 15/sec burst 30 mode srcip
LOG all -- anywhere anywhere ctstate NEW limit: avg 1/min burst 5 LOG level warning prefix " FW ftp flood: "
ACCEPT all -- anywhere anywhere ctstate RELATED,ESTABLISHED
DROP all -- anywhere anywhere

Chain hlds_ff (1 references)
target prot opt source destination
DROP all -- anywhere anywhere STRING match "by ZeaL" ALGO name kmp TO 100
DROP all -- anywhere anywhere STRING match "Brute" ALGO name kmp TO 100

Chain hlds_input (1 references)
target prot opt source destination
hlds_ff all -- anywhere anywhere STRING match "|ffffffff|" ALGO name kmp TO 32
DROP all -- anywhere anywhere STRING match "|281b003075777131|" ALGO name kmp TO 32
ACCEPT all -- anywhere anywhere limit: up to 303/sec burst 600 mode srcip-dstip-dstport
LOG all -- anywhere anywhere limit: avg 1/min burst 2 LOG level warning prefix " FW hlds flood: "
DROP all -- anywhere anywhere

Chain http_input (1 references)
target prot opt source destination
DROP all -- anywhere anywhere #conn src/32 > 10
ACCEPT all -- anywhere anywhere ctstate NEW limit: up to 15/sec burst 30 mode srcip
LOG all -- anywhere anywhere ctstate NEW limit: avg 1/min burst 5 LOG level warning prefix " FW http flood: "
ACCEPT all -- anywhere anywhere ctstate RELATED,ESTABLISHED
DROP all -- anywhere anywhere

Chain icmp_input (1 references)
target prot opt source destination
ACCEPT icmp -- anywhere anywhere icmp echo-request limit: up to 2/sec burst 4 mode srcip
DROP icmp -- anywhere anywhere icmp echo-request
ACCEPT all -- anywhere anywhere

Chain local_input (1 references)
target prot opt source destination
ACCEPT all -- anywhere anywhere

Chain samp_input (1 references)
target prot opt source destination

Chain ssh_input (2 references)
target prot opt source destination
ACCEPT all -- anywhere anywhere ctstate NEW limit: up to 10/sec burst 20 mode srcip
LOG all -- anywhere anywhere ctstate NEW limit: avg 1/min burst 5 LOG level warning prefix " FW ssh flood: "
ACCEPT all -- anywhere anywhere ctstate RELATED,ESTABLISHED
DROP all -- anywhere anywhere

Chain tcp_input (1 references)
target prot opt source destination
ACCEPT tcp -- anywhere anywhere tcp dpt:25565
ftp_input tcp -- anywhere anywhere multiport dports ftp,60000:61000
http_input tcp -- anywhere 192.168.1.105.in-addr.arpa multiport dports http,webcache,dnsix
ACCEPT tcp -- anywhere 192.168.1.105.in-addr.arpa tcp dpt:mysql match-set allowmysql src
ACCEPT tcp -- anywhere 192.168.1.105.in-addr.arpa tcp dpt:https match-set allowsquid src
ssh_input tcp -- anywhere anywhere tcp dpt:oa-system
ssh_input tcp -- anywhere anywhere tcp dpt:ssh
ACCEPT tcp -- anywhere anywhere tcp dpt:personal-agent
ACCEPT tcp -- !0.1.168.192.in-addr.arpa/24 192.168.1.105.in-addr.arpa multiport dports netbios-ssn,microsoft-ds
ACCEPT tcp -- anywhere anywhere multiport dports 6881,ndmp:emcrmird
ACCEPT all -- anywhere anywhere ctstate RELATED,ESTABLISHED
DROP all -- anywhere anywhere

Chain udp_input (1 references)
target prot opt source destination
hlds_input udp -- anywhere anywhere udp dpts:icl-twobase1:30000
samp_input udp -- anywhere anywhere udp dpts:cbt:7780
dns_input udp -- anywhere 192.168.1.105.in-addr.arpa udp dpt:domain
ACCEPT udp -- anywhere 192.168.1.105.in-addr.arpa multiport dports 6881,ndmp:10005
ACCEPT all -- anywhere anywhere ctstate RELATED,ESTABLISHED
DROP all -- anywhere anywhere

Нет меня в скайпе сегодня, я на смене.