Public bug reported:
A few years ago, I was using Fedora 16 and I was unable to do any HTTP POST at
the place where I work. So I tried Ubuntu 12.04 (or 12.10, I'm not quite sure)
and it worked perfectly.
Recently I updated it to 14.04 and the same problem I had in Fedora came back.
I'm not an expert in understanding these network packages, but I read that it
could be that the network manager could had blocked the ICMP MTU dicovery
package. I can check and if it is so I can ask him to unblock it, but I think
that more people could also have this problem, so I wonder how it was working
in the previous 12.04/12.10 version and if it should work the same in the new
version.
Or maybe it's a different problem, I only have this problem at the place where
I work.
$ cat /proc/version_signature
Ubuntu 3.13.0-32.57-generic 3.13.11.4
$ lsb_release -rd
Description: Ubuntu 14.04.1 LTS
Release: 14.04
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-32-generic 3.13.0-32.57
ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
Uname: Linux 3.13.0-32-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: arthur 3196 F.... pulseaudio
/dev/snd/controlC0: arthur 3196 F.... pulseaudio
/dev/snd/pcmC0D0p: arthur 3196 F...m pulseaudio
CurrentDesktop: Unity
Date: Sat Jul 26 17:16:31 2014
HibernationDevice: RESUME=UUID=2a262003-49b8-4b6d-b2a5-4b93996c92cb
InstallationDate: Installed on 2013-08-09 (351 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120425)
MachineType: Dell Inc. XPS L501X
ProcFB:
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-32-generic
root=/dev/mapper/fedora_xps-ubuntu_root ro quiet splash
RelatedPackageVersions:
linux-restricted-modules-3.13.0-32-generic N/A
linux-backports-modules-3.13.0-32-generic N/A
linux-firmware 1.127.5
SourcePackage: linux
UpgradeStatus: Upgraded to trusty on 2014-03-15 (133 days ago)
dmi.bios.date: 07/26/2011
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A08
dmi.board.name: 00YWG2
dmi.board.vendor: Dell Inc.
dmi.board.version: A08
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: A08
dmi.modalias:
dmi:bvnDellInc.:bvrA08:bd07/26/2011:svnDellInc.:pnXPSL501X:pvrA08:rvnDellInc.:rn00YWG2:rvrA08:cvnDellInc.:ct8:cvrA08:
dmi.product.name: XPS L501X
dmi.product.version: A08
dmi.sys.vendor: Dell Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug third-party-packages trusty
** Attachment added: "Wireshark screenshot"
https://bugs.launchpad.net/bugs/1349000/+attachment/4163508/+files/MTU2.png
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https://bugs.launchpad.net/bugs/1349000
Title:
Networking - Destination unreachable (Fragmentation needed)
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