Re: let PF to send challenge ack

2016-10-20 Thread Alexandr Nedvedicky
Hello, On Thu, Oct 20, 2016 at 08:45:09PM +0200, Alexander Bluhm wrote: > On Fri, Sep 30, 2016 at 11:55:48PM +0200, Alexandr Nedvedicky wrote: > > The patch makes PF to send 'challenge ACK' for SYN packet, which matches > > session in established state. > > regress/sys/net/pf_forward has found a

Re: let PF to send challenge ack

2016-10-20 Thread Alexander Bluhm
On Fri, Sep 30, 2016 at 11:55:48PM +0200, Alexandr Nedvedicky wrote: > The patch makes PF to send 'challenge ACK' for SYN packet, which matches > session in established state. regress/sys/net/pf_forward has found a bug in your code. Looks like the route-to feature was affected. By splitting the

Re: let PF to send challenge ack

2016-10-17 Thread Alexander Bluhm
On Fri, Sep 30, 2016 at 11:55:48PM +0200, Alexandr Nedvedicky wrote: > The patch makes PF to send 'challenge ACK' for SYN packet, which matches > session in established state. The pf diff is OK bluhm@ > The patch also comes with test case. I've just learned it's bit tricky > to use scapy for

let PF to send challenge ack

2016-09-30 Thread Alexandr Nedvedicky
Hello, patch below makes life easier for clients, which always use same source port, when talking to server (e.g. think of NFS). The scenario we are dealing with is as follows: - client mounts remote NFS share - there is a PF sitting between client and NFS server. the mount