[strongSwan] left|rightikeport obsolete?

Harald Dunkel harald.dunkel at aixigo.de
Mon Jul 23 15:44:53 CEST 2018

Hi folks,

the documentation say for left|rightikeport

"If unspecified, port 500 is used with the port floating to 4500 if a
NAT is detected ..."

This sounds pretty vague. I would like to tell strongswan to use 443/udp
for NAT traversal and dead peer detection, and to use port 500/udp for
isakmp as usual. AFAICT this can be done with charon.port and charon.\
port_nat_t, so I wonder what is left|rightikeport good for?

Every insightful comment is highly appreciated

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