Hi,
After looking at this further we found that there is actually
a rate limit on 'rst' packets sent by OSX on a closed socket.
Its set to 250 per second and controlled via:
net.inet.icmp.icmplim. Increasing that limit resolves the
issue, but the default is apparently 250.
Thanks,
-Jason
On
Hi,
After looking at this further we found that there is actually
a rate limit on 'rst' packets sent by OSX on a closed socket.
Its set to 250 per second and controlled via:
net.inet.icmp.icmplim. Increasing that limit resolves the
issue, but the default is apparently 250.
Thanks,
-Jason
On
On 07/01/2016 02:16 PM, One Thousand Gnomes wrote:
>> yes, we do in fact see a POLLRDHUP from the FIN in this case and
>> read of zero, but we still have more data to write to the socket, and
>> b/c the RST is dropped here, the socket stays in TIME_WAIT until
>> things eventually time out...
>
On 07/01/2016 02:16 PM, One Thousand Gnomes wrote:
>> yes, we do in fact see a POLLRDHUP from the FIN in this case and
>> read of zero, but we still have more data to write to the socket, and
>> b/c the RST is dropped here, the socket stays in TIME_WAIT until
>> things eventually time out...
>
> yes, we do in fact see a POLLRDHUP from the FIN in this case and
> read of zero, but we still have more data to write to the socket, and
> b/c the RST is dropped here, the socket stays in TIME_WAIT until
> things eventually time out...
After the FIN when you send/retransmit your next segment do
> yes, we do in fact see a POLLRDHUP from the FIN in this case and
> read of zero, but we still have more data to write to the socket, and
> b/c the RST is dropped here, the socket stays in TIME_WAIT until
> things eventually time out...
After the FIN when you send/retransmit your next segment do
On 07/01/2016 01:08 PM, Rick Jones wrote:
> On 07/01/2016 08:10 AM, Jason Baron wrote:
>> I'm wondering if anybody else has run into this...
>>
>> On Mac OSX 10.11.5 (latest version), we have found that when tcp
>> connections are abruptly terminated (via ^C), a FIN is sent followed
>> by an RST
On 07/01/2016 01:08 PM, Rick Jones wrote:
> On 07/01/2016 08:10 AM, Jason Baron wrote:
>> I'm wondering if anybody else has run into this...
>>
>> On Mac OSX 10.11.5 (latest version), we have found that when tcp
>> connections are abruptly terminated (via ^C), a FIN is sent followed
>> by an RST
On 07/01/2016 08:10 AM, Jason Baron wrote:
I'm wondering if anybody else has run into this...
On Mac OSX 10.11.5 (latest version), we have found that when tcp
connections are abruptly terminated (via ^C), a FIN is sent followed
by an RST packet.
That just seems, well, silly. If the client
On 07/01/2016 08:10 AM, Jason Baron wrote:
I'm wondering if anybody else has run into this...
On Mac OSX 10.11.5 (latest version), we have found that when tcp
connections are abruptly terminated (via ^C), a FIN is sent followed
by an RST packet.
That just seems, well, silly. If the client
> On Mac OSX 10.11.5 (latest version), we have found that when tcp
> connections are abruptly terminated (via ^C), a FIN is sent followed
> by an RST packet. The RST is sent with the same sequence number as the
> FIN, and thus dropped since the stack only accepts RST packets matching
> rcv_nxt
> On Mac OSX 10.11.5 (latest version), we have found that when tcp
> connections are abruptly terminated (via ^C), a FIN is sent followed
> by an RST packet. The RST is sent with the same sequence number as the
> FIN, and thus dropped since the stack only accepts RST packets matching
> rcv_nxt
I'm wondering if anybody else has run into this...
On Mac OSX 10.11.5 (latest version), we have found that when tcp
connections are abruptly terminated (via ^C), a FIN is sent followed
by an RST packet. The RST is sent with the same sequence number as the
FIN, and thus dropped since the stack
I'm wondering if anybody else has run into this...
On Mac OSX 10.11.5 (latest version), we have found that when tcp
connections are abruptly terminated (via ^C), a FIN is sent followed
by an RST packet. The RST is sent with the same sequence number as the
FIN, and thus dropped since the stack
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