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Hi,

While I'm uploading an image to an issue to github.com from my ubuntu 16.04 LTS computer (say computer A), it fails after some minutes and an error is reported : sometime a 400's and I see in the dev pane of firefox a "connection reset".

This computer A is directly connected to the ISP's box (which do the NAT job). Now, if I configure this same computer A to use my phone as a Internet gateway : it works !

I have another Windows computer B on the same network (connected to the same box), no issue either.

yet another laptop computer C with a 16.04 LTS connected to the same network : FAIL I tried to achieve the same upload with a ubuntu 18.04 LTS on computer A and it also fails.

So might it be a problem with Ubuntu, or a TCP issue somewhere ? I did capture the traffic with wireshark while uploading : see http://dl.free.fr/gY7kZ1b9B

Could it be something specific to Ubuntu ?

EDIT - I came to the fact that set mtu value to 1470 solve the issue on computer A. 1471 won't work. What is this problem ?

weird issue while uploading (POST) to GitHub only Hi, While I'm uploading an image to an issue to github.com from my ub

weird issue while uploading (POST) to GitHub only Hi, While I'm uploading an image to an issue to github.com from my ub