https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=207178
Bug ID: 207178
Summary: problem with pf ($interface) expansion on freebsd 10.1
with > 64 ip adresses on interface
Product: Base System
Version: 10.1-STABLE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
CC: [email protected]
I have this rule in my pf.conf:
pass in quick on $if proto tcp from { <allowssh> } to ($if) port 22
The rule permits SSH to all adresses on $if of course. The problem is
that the enumeration of IPs on the interface that happens at boottime
fails when the number of IP adresses exceed 64 IPs. If I reboot with 65
IPs on the interface the rule matches nothing and I get the following
error in dmesg:
pfi_table_update: cannot set 65 new addresses into table igb1: 22
This is on FreeBSD 10.1-STABLE FreeBSD 10.1-STABLE #0 r284163
If I add or remove an IP to the interface manually after the boot
finishes the enumeration works fine, and all IPs on the interface are
permitted SSH. The problem occurs only at boottime - when (I assume) pf
tries to add all the IPs at once.
I reported this on freebsd-pf@ but never got a response:
http://lists.freebsd.org/pipermail/freebsd-pf/2015-June/007764.html
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