prettify iptables rules

diff --git a/ralf/_posts/2018-05-28-cloudless-contact-sync.md b/ralf/_posts/2018-05-28-cloudless-contact-sync.md
index 9b3e1907d858b70147bc5ed215148957eda53aa8..baced47d984567ecbeeb0d6d4d8fc7307670bd7e 100644 (file)
--- a/ralf/_posts/2018-05-28-cloudless-contact-sync.md
+++ b/ralf/_posts/2018-05-28-cloudless-contact-sync.md
@@ -50,10 +50,10 @@ table nat {
 ```
 The plain iptables equivalent is
 ```
--A PREROUTING -d $IP/32 -p tcp -m tcp --dport 80 -j DNAT --to-destination $IP:8053
--A PREROUTING -d $IP/32 -p tcp -m tcp --dport 443 -j DNAT --to-destination $IP:44353
--A OUTPUT -d $IP/32 -p tcp -m tcp --dport 80 -j DNAT --to-destination $IP:8053
--A OUTPUT -d $IP/32 -p tcp -m tcp --dport 443 -j DNAT --to-destination $IP:44353
+-A PREROUTING -d $IP -p tcp -m tcp --dport 80 -j DNAT --to-destination $IP:8053
+-A PREROUTING -d $IP -p tcp -m tcp --dport 443 -j DNAT --to-destination $IP:44353
+-A OUTPUT -d $IP -p tcp -m tcp --dport 80 -j DNAT --to-destination $IP:8053
+-A OUTPUT -d $IP -p tcp -m tcp --dport 443 -j DNAT --to-destination $IP:44353
 ```
 
 Next, we have to configure the SSH daemon to permit reverse port forwarding to be configured by the client.