Re: Kernel 5.1 breaks UDP checksums for SIP packets

On Mon, May 20, 2019 at 12:28:02PM +0200, Florian Westphal wrote: > Marc Haber wrote: > > when I update my Firewall from Kernel 5.0 to Kernel 5.1, SIP clients > > that connect from the internal network to an external, commercial SIP > > service do not work any more. When I trace beyond the NAT, I

Re: Kernel 5.1 breaks UDP checksums for SIP packets

Marc Haber wrote: > when I update my Firewall from Kernel 5.0 to Kernel 5.1, SIP clients > that connect from the internal network to an external, commercial SIP > service do not work any more. When I trace beyond the NAT, I see that > the outgoing SIP packets have incorrect UDP checksums: I'm a m

Kernel 5.1 breaks UDP checksums for SIP packets

Hi, when I update my Firewall from Kernel 5.0 to Kernel 5.1, SIP clients that connect from the internal network to an external, commercial SIP service do not work any more. When I trace beyond the NAT, I see that the outgoing SIP packets have incorrect UDP checksums: Frame 6: 657 bytes on wire (5