diff options
Diffstat (limited to 'sbin')
| -rw-r--r-- | sbin/ipfw/ipfw.8 | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sbin/ipfw/ipfw.8 b/sbin/ipfw/ipfw.8 index 2c175ed..67ed262 100644 --- a/sbin/ipfw/ipfw.8 +++ b/sbin/ipfw/ipfw.8 @@ -2711,3 +2711,9 @@ ipfw nat is not compatible with the tcp segmentation offloading (TSO). Thus, to reliably nat your network traffic, please disable TSO on your NICs using .Xr ifconfig 8 . +.Pp +ICMP error messages are not implicitly matched by dynamic rules +for the respective conversations. +To avoid failures of network error detection and path MTU discovery, +ICMP error messages may need to be allowed explicitly through static +rules. |
