[Bug 103135] [ipsec] ipsec with ipfw divert (not NAT) encodes a packet twice breaking PMTUD

2024-08-19 Thread bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=103135 Eugene Grosbein changed: What|Removed |Added Status|Open|Closed Resolution|---

Re: ipsec with ipfw

2017-03-13 Thread Hooman Fazaeli
On 2017-03-13 11:01, Andrey V. Elsukov wrote: On 12.03.2017 00:23, Hooman Fazaeli wrote: Hi, As you know the ipsec/setkey provide limited syntax to define security policies: only a single subnet/host, protocol number and optional port may be used to specify traffic's source and destination. I

Re: ipsec with ipfw

2017-03-13 Thread Andrey V. Elsukov
On 12.03.2017 00:23, Hooman Fazaeli wrote: > Hi, > > As you know the ipsec/setkey provide limited syntax to define security > policies: only a single subnet/host, protocol number and optional port > may be used to specify traffic's source and destination. > > I was thinking about the idea of usin

Re: ipsec with ipfw

2017-03-12 Thread Slawa Olhovchenkov
On Sat, Mar 11, 2017 at 09:53:39PM -0800, Ermal Luçi wrote: > On Sat, Mar 11, 2017 at 2:16 PM, Slawa Olhovchenkov wrote: > > > On Sun, Mar 12, 2017 at 12:53:44AM +0330, Hooman Fazaeli wrote: > > > > > Hi, > > > > > > As you know the ipsec/setkey provide limited syntax to define security > > > po

Re: ipsec with ipfw

2017-03-11 Thread Ermal Luçi
On Sat, Mar 11, 2017 at 2:16 PM, Slawa Olhovchenkov wrote: > On Sun, Mar 12, 2017 at 12:53:44AM +0330, Hooman Fazaeli wrote: > > > Hi, > > > > As you know the ipsec/setkey provide limited syntax to define security > > policies: only a single subnet/host, protocol number and optional port > > may

Re: ipsec with ipfw

2017-03-11 Thread Slawa Olhovchenkov
On Sun, Mar 12, 2017 at 12:53:44AM +0330, Hooman Fazaeli wrote: > Hi, > > As you know the ipsec/setkey provide limited syntax to define security > policies: only a single subnet/host, protocol number and optional port > may be used to specify traffic's source and destination. > > I was thinking

ipsec with ipfw

2017-03-11 Thread Hooman Fazaeli
Hi, As you know the ipsec/setkey provide limited syntax to define security policies: only a single subnet/host, protocol number and optional port may be used to specify traffic's source and destination. I was thinking about the idea of using ipfw as the packet selector for ipsec, much like it is

Re: kern/103135: [ipsec] ipsec with ipfw divert (not NAT) encodes a packet twice breaking PMTUD

2009-01-14 Thread vwe
Synopsis: [ipsec] ipsec with ipfw divert (not NAT) encodes a packet twice breaking PMTUD Responsible-Changed-From-To: freebsd-bugs->freebsd-net Responsible-Changed-By: vwe Responsible-Changed-When: Wed Jan 14 22:24:42 UTC 2009 Responsible-Changed-Why: Over to maintainer(s). h

Re: ipsec with ipfw divert (not NAT) encodes a packet twice breaking PMTUD

2006-09-11 Thread Eugene Grosbein
Kelly Yancey wrote: > Just FYI, when we implemented the enc interface for FreeBSD 4.10 for > one of our products at work, we encountered a similar issue. The > problem is that you need to add a flag to the sockaddr_in passed to the > divert(4) consumer; when that consumer re-injects the packets

Re: ipsec with ipfw divert (not NAT) encodes a packet twice breaking PMTUD

2006-09-11 Thread Julian Elischer
Eugene Grosbein wrote: Submitter-Id: current-users Originator: Eugene Grosbein Organization: Svyaz Service JSC Confidential: no Synopsis: ipsec with ipfw divert (not NAT) encodes a packet twice breaking PMTUD Severity: serious Priority: high Category: kern

Re: ipsec with ipfw divert (not NAT) encodes a packet twice breaking PMTUD

2006-09-11 Thread Kelly Yancey
On Mon, 11 Sep 2006, Eugene Grosbein wrote: > > >Submitter-Id:current-users > >Originator: Eugene Grosbein > >Organization:Svyaz Service JSC > >Confidential: no > >Synopsis:ipsec with ipfw divert (not NAT) encodes a packet twi

ipsec with ipfw divert (not NAT) encodes a packet twice breaking PMTUD

2006-09-11 Thread Eugene Grosbein
>Submitter-Id: current-users >Originator:Eugene Grosbein >Organization: Svyaz Service JSC >Confidential: no >Synopsis: ipsec with ipfw divert (not NAT) encodes a packet twice >breaking PMTUD >Severity: serious >Priority: high >Category:

Re: [solved] Using racoon-negotiated IPSec with ipfw and natd

2003-11-03 Thread Mark Johnston
"Crist J. Clark" <[EMAIL PROTECTED]> wrote: > For packets entering the system from the network, the processing > order is, > > (network) ---> ipfw ---> IPsec ---> (remainder of IP stack) > > And outgoing, > > (system) ---> IPsec ---> ipfw ---> (network) > > (It's actually a bit more hairy t

Re: (long) Re: Using racoon-negotiated IPSec with ipfw and natd

2003-10-31 Thread Crist J. Clark
On Fri, Oct 31, 2003 at 09:45:25AM -0600, Mark Johnston wrote: > "Crist J. Clark" <[EMAIL PROTECTED]> wrote: > > On Thu, Oct 30, 2003 at 03:05:09PM -0600, Mark Johnston wrote: > > > - gateway receives an ESP packet from mobile (encapsulating a ping). > > > - gateway decrypts and transmits an ICMP p

(long) Re: Using racoon-negotiated IPSec with ipfw and natd

2003-10-31 Thread Mark Johnston
"Crist J. Clark" <[EMAIL PROTECTED]> wrote: > On Thu, Oct 30, 2003 at 03:05:09PM -0600, Mark Johnston wrote: > > - gateway receives an ESP packet from mobile (encapsulating a ping). > > - gateway decrypts and transmits an ICMP packet to internal with mobile's > > source address. > > - internal ge

Re: Using racoon-negotiated IPSec with ipfw and natd

2003-10-30 Thread Crist J. Clark
On Thu, Oct 30, 2003 at 03:05:09PM -0600, Mark Johnston wrote: > [ -netters, please Cc me or security@ with replies. ] > > I'm running into trouble integrating dynamic racoon-based IPSec into a network > with ipfw and natd. I need to be able to allow VPN access from any address > from authenticat

Using racoon-negotiated IPSec with ipfw and natd

2003-10-30 Thread Mark Johnston
[ -netters, please Cc me or security@ with replies. ] I'm running into trouble integrating dynamic racoon-based IPSec into a network with ipfw and natd. I need to be able to allow VPN access from any address from authenticated clients. I've got the dynamic VPN working, with racoon negotiating SA