ca: Fix bug in "Firewalls" section of Channel Access reference manual

This commit is contained in:
Ralph Lange
2012-12-11 23:38:42 +01:00
parent 3498a6d4e0
commit b7018dd16d

View File

@@ -455,7 +455,7 @@ Environment</a> below.</p>
<h3><a name="firewall">Firewalls</a></h3>
<p>If you want channel access clients on a machine to be able to see
beacons and replies to broadcast PV search requests you need to permit
beacons and replies to broadcast PV search requests, you need to permit
inbound UDP packets with source port EPICS_CA_SERVER_PORT (default is 5064)
or destination port EPICS_CA_REPEATER_PORT (default is 5065). On systems
using iptables this can be accomplished by rules like</p>
@@ -466,9 +466,9 @@ using iptables this can be accomplished by rules like</p>
</pre>
<p>If you want channel access servers (e.g. "soft IOCs") on a machine to be
able to see clients you need to permit inbound TCP or UDP packets with source
port EPICS_CA_SERVER_PORT (default is 5064). On systems using iptables this
can be accomplished by rules like</p>
able to be seen by clients, you need to permit inbound TCP or UDP packets with
destination port EPICS_CA_SERVER_PORT (default is 5064).
On systems using iptables this can be accomplished by rules like</p>
<pre>
-A INPUT -s 192.168.0.0/22 -p udp --dport 5064 -j ACCEPT