Announcement Date: 28 August, 2018

Bugfixes:
[farms] fix l4 switching to ALL protocols
[farms] removed not needed ports for helpers in l4xnat
[farms] fix sip load balancing with NAT and ALL protocols
[farms] fix rules deleting backends in l4 farms
[farms] force to use TCP and UDP protocols for SIP
[farms] disable force to dnat in SIP configurations
[gui] disable port configuration for SIP protocol
[gui] disabled configure port if SIP or ALL protocols is enabled.