Re: Don't send icmp redirect to the same interface a forwarded packet came in on

2018-05-05 Thread Christopher Zimmermann
On 2018-05-05 Martin Pieuchot wrote: > On 03/05/18(Thu) 17:19, Christopher Zimmermann wrote: > > On 2018-05-03 Martin Pieuchot wrote: > > > On 02/05/18(Wed) 14:45, Christopher Zimmermann wrote: > > > > On 2018-05-02 Martin Pieuchot wrote: > > > > > On 02/05/18(Wed) 11:47, Christopher Zim

Re: Don't send icmp redirect to the same interface a forwarded packet came in on

2018-05-05 Thread Martin Pieuchot
On 03/05/18(Thu) 17:19, Christopher Zimmermann wrote: > On 2018-05-03 Martin Pieuchot wrote: > > On 02/05/18(Wed) 14:45, Christopher Zimmermann wrote: > > > On 2018-05-02 Martin Pieuchot wrote: > > > > On 02/05/18(Wed) 11:47, Christopher Zimmermann wrote: > > > > > I just want to bring this u

Re: Don't send icmp redirect to the same interface a forwarded packet came in on

2018-05-03 Thread Christopher Zimmermann
On 2018-05-03 Martin Pieuchot wrote: > On 02/05/18(Wed) 14:45, Christopher Zimmermann wrote: > > On 2018-05-02 Martin Pieuchot wrote: > > > On 02/05/18(Wed) 11:47, Christopher Zimmermann wrote: > > > > I just want to bring this up again. Can some network guru give me an ok > > > > or some fee

Re: Don't send icmp redirect to the same interface a forwarded packet came in on

2018-05-03 Thread Martin Pieuchot
On 02/05/18(Wed) 14:45, Christopher Zimmermann wrote: > On 2018-05-02 Martin Pieuchot wrote: > > On 02/05/18(Wed) 11:47, Christopher Zimmermann wrote: > > > I just want to bring this up again. Can some network guru give me an ok > > > or some feedback please? > > > > Can you explain with words

Re: Don't send icmp redirect to the same interface a forwarded packet came in on

2018-05-02 Thread Christopher Zimmermann
On 2018-05-02 Martin Pieuchot wrote: > On 02/05/18(Wed) 11:47, Christopher Zimmermann wrote: > > I just want to bring this up again. Can some network guru give me an ok > > or some feedback please? > > Can you explain with words why we shouldn't send a redirect? The > comment above your diff s

Re: Don't send icmp redirect to the same interface a forwarded packet came in on

2018-05-02 Thread Martin Pieuchot
On 02/05/18(Wed) 11:47, Christopher Zimmermann wrote: > I just want to bring this up again. Can some network guru give me an ok > or some feedback please? Can you explain with words why we shouldn't send a redirect? The comment above your diff states clearly: "If forwarding packet using same i

Re: Don't send icmp redirect to the same interface a forwarded packet came in on

2018-05-02 Thread Christopher Zimmermann
Hi, I just want to bring this up again. Can some network guru give me an ok or some feedback please? Christopher On 2017-12-01 Christopher Zimmermann wrote: > Hi, > > by accident I discovered this rather senseless redirect: > > $ doas tcpdump -eptni vlan2 icmp > tcpdump: listening on vlan2,

Don't send icmp redirect to the same interface a forwarded packet came in on

2017-12-01 Thread Christopher Zimmermann
Hi, by accident I discovered this rather senseless redirect: $ doas tcpdump -eptni vlan2 icmp tcpdump: listening on vlan2, link-type EN10MB 11:11:11:11:11:11 22:22:22:22:22 0800 98: 192.168.1.2 > 192.168.4.7: icmp: echo request 22:22:22:22:22 11:11:11:11:11:11 0800 98: 192.168.4.7 > 192.168.1.2