Last Modified: Apr 28, 2025
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 14.1.2, 15.0.0, 15.0.1
Fixed In:
15.1.0, 15.0.1.3, 15.0.1.1, 14.1.2.1
Opened: Apr 05, 2019 Severity: 3-Major
An internal tmm UDP filter does not set checksum for outgoing UDP packets.
Even though a UDP packet with no checksum is permitted, it could cause some problems with some firewalls/servers.
-- An internal tmm UDP filter is in use.
For internal tmm udp filters, add the following to the UDP profile in use: no_cksum 0
Internal tmm UDP filters set checksum for outgoing UDP packets.