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cluster:154 [2018/07/30 17:16]
hmeij07 		cluster:154 [2018/08/17 12:48] (current)
hmeij07
Line 10: Line 10:
  
 <code> <code>
- +             
- +
-[root@ohpc0-test ~]# systemctl stop NetworkManager                +
 [root@ohpc0-test ~]# systemctl disable NetworkManager  [root@ohpc0-test ~]# systemctl disable NetworkManager 
- +             
-[root@ohpc0-test ~]# systemctl stop firewalld                +
 [root@ohpc0-test ~]# systemctl disable firewalld          [root@ohpc0-test ~]# systemctl disable firewalld         
            
-[root@ohpc0-test ~]#  yum install iptables-services -y                          +[root@ohpc0-test ~]#  yum install iptables-services -y    
 +                       
 [root@ohpc0-test ~]# systemctl enable iptables [root@ohpc0-test ~]# systemctl enable iptables
-[root@ohpc0-test ~]# systemctl enable ip6tables 
  
 [root@ohpc0-test ~]# vi /etc/sysconfig/iptables [root@ohpc0-test ~]# vi /etc/sysconfig/iptables
  
 # lock up port 22: note "eth1" # lock up port 22: note "eth1"
--A INPUT -i enp8s0 -p tcp -m state --state NEW -m tcp -s 129.133.0.0/16 --dport 22 -j ACCEPT+-A INPUT -p tcp -m state --state NEW -m tcp -s 129.133.0.0/16 --dport 22 -j ACCEPT
  
 # local allow: note "eth0" # local allow: note "eth0"
--A INPUT -i enp4s0 -d 192.168.0.0/16 -p tcp --dport 0:65535 -j ACCEPT +-A INPUT -d 192.168.0.0/16 -p tcp --dport 0:65535 -j ACCEPT 
--A INPUT -i enp4s0 -d 192.168.0.0/16 -p udp --dport 0:65535 -j ACCEPT+-A INPUT -d 192.168.0.0/16 -p udp --dport 0:65535 -j ACCEPT
  
-[root@ohpc0-test ~]# vi /etc/sysconfig/ip6tables+[root@ohpc0-test ~]# reboot
  
-# comment out port 22 +# check firwewall
- +
-[root@ohpc0-test ~]# systemctl restart iptables +
-[root@ohpc0-test ~]# systemctl restart ip6tables+
 [root@ohpc0-test ~]# iptables -L [root@ohpc0-test ~]# iptables -L
 Chain INPUT (policy ACCEPT) Chain INPUT (policy ACCEPT)
-target     prot opt source               destination +...
-ACCEPT     all  --  anywhere             anywhere             state RELATED,ESTABLISHED +
-ACCEPT     icmp --  anywhere             anywhere +
-ACCEPT     all  --  anywhere             anywhere+
 ACCEPT     tcp  --  129.133.0.0/16       anywhere             state NEW tcp dpt:ssh ACCEPT     tcp  --  129.133.0.0/16       anywhere             state NEW tcp dpt:ssh
 ACCEPT     tcp  --  anywhere             192.168.0.0/16       tcp ACCEPT     tcp  --  anywhere             192.168.0.0/16       tcp
Line 48: Line 39:
 REJECT     all  --  anywhere             anywhere             reject-with icmp-host-prohibited REJECT     all  --  anywhere             anywhere             reject-with icmp-host-prohibited
  
-Chain FORWARD (policy ACCEPT) +# copy global hpc /etc/hosts in place 
-target     prot opt source               destination +# check hostname is on provisioning network 
-REJECT     all  --  anywhere             anywhere             reject-with icmp-host-prohibited +[root@ohpc0-test ~]# ping `hostname` 
- +PING ohpc0-test (192.168.1.249) 56(84) bytes of data. 
-Chain OUTPUT (policy ACCEPT) +64 bytes from ohpc0-test (192.168.1.249): icmp_seq=1 ttl=64 time=0.043 ms
-target     prot opt source               destination +
- +
-[root@ohpc0-test ~]# reboot+
  
 </code> </code>
cluster/154.1532970965.txt.gz · Last modified: 2018/07/30 17:16 by hmeij07

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