Unable to update -- Waiting for headers

[Sid Boyce]

21.10 x86_64

=============

root at sdrbox1:/etc/apt# apt-get update
Ign:1 http://gb.archive.ubuntu.com/ubuntu impish InRelease
Ign:2 http://security.ubuntu.com/ubuntu impish-security InRelease
Ign:3 http://gb.archive.ubuntu.com/ubuntu impish-updates InRelease
Ign:2 http://security.ubuntu.com/ubuntu impish-security InRelease
Ign:4 http://gb.archive.ubuntu.com/ubuntu impish-backports InRelease
Ign:2 http://security.ubuntu.com/ubuntu impish-security InRelease
Ign:5 http://gb.archive.ubuntu.com/ubuntu impish-proposed InRelease
Err:2 http://security.ubuntu.com/ubuntu impish-security InRelease
  Connection failed [IP: 91.189.91.39 80]
Ign:1 http://gb.archive.ubuntu.com/ubuntu impish InRelease
Ign:3 http://gb.archive.ubuntu.com/ubuntu impish-updates InRelease
Ign:4 http://gb.archive.ubuntu.com/ubuntu impish-backports InRelease
Ign:5 http://gb.archive.ubuntu.com/ubuntu impish-proposed InRelease
Ign:1 http://gb.archive.ubuntu.com/ubuntu impish InRelease
Ign:3 http://gb.archive.ubuntu.com/ubuntu impish-updates InRelease
Ign:4 http://gb.archive.ubuntu.com/ubuntu impish-backports InRelease
Ign:5 http://gb.archive.ubuntu.com/ubuntu impish-proposed InRelease
Err:1 http://gb.archive.ubuntu.com/ubuntu impish InRelease
  Connection failed [IP: 91.189.88.152 80]
Err:3 http://gb.archive.ubuntu.com/ubuntu impish-updates InRelease
  Connection failed [IP: 91.189.88.142 80]
Err:4 http://gb.archive.ubuntu.com/ubuntu impish-backports InRelease
  Connection failed [IP: 91.189.88.142 80]

Err:5 http://gb.archive.ubuntu.com/ubuntu impish-proposed InRelease
  Connection failed [IP: 91.189.88.142 80]
Reading package lists... Done
W: Failed to fetch 
http://gb.archive.ubuntu.com/ubuntu/dists/impish/InRelease  Connection 
failed [IP: 91.189.88.152 80]
W: Failed to fetch 
http://gb.archive.ubuntu.com/ubuntu/dists/impish-updates/InRelease 
  Connection failed [IP: 91.189.88.142 80]
W: Failed to fetch 
http://security.ubuntu.com/ubuntu/dists/impish-security/InRelease 
  Connection failed [IP: 91.189.91.39 80]
W: Failed to fetch 
http://gb.archive.ubuntu.com/ubuntu/dists/impish-backports/InRelease 
  Connection failed [IP: 91.189.88.142 80]
W: Failed to fetch 
http://gb.archive.ubuntu.com/ubuntu/dists/impish-proposed/InRelease 
  Connection failed [IP: 91.189.88.142 80]
W: Some index files failed to download. They have been ignored, or old 
ones used instead.

aarch64 (ODROID-C2, ODROID-N2, Raspberry Pi4, RaspberryPi3B)--
Ubuntu 20.04.3 LTS, 21.04.

============================================================

Get:17 file:/var/visionworks-sfm-repo  Packages [831 B]
Get:18 file:/var/visionworks-tracking-repo  Packages [836 B]
Get:19 https://repo.download.nvidia.com/jetson/common r32.5/main arm64 
Packages [13.8 kB]
Get:20 https://repo.download.nvidia.com/jetson/t210 r32.5/main arm64 
Packages [20.7 kB]
Err:21 http://ports.ubuntu.com/ubuntu-ports bionic InRelease
  Connection failed [IP: 91.189.91.39 80]
Err:22 http://ports.ubuntu.com/ubuntu-ports bionic-updates InRelease
  Connection failed [IP: 91.189.91.39 80]
Err:23 http://ports.ubuntu.com/ubuntu-ports bionic-backports InRelease
  Connection failed [IP: 91.189.91.39 80]
Err:24 http://ports.ubuntu.com/ubuntu-ports bionic-security InRelease
  Connection failed [IP: 91.189.91.39 80]
Fetched 5,117 B in 4min 1s (21 B/s)
Reading package lists... Done
W: Failed to fetch 
http://ports.ubuntu.com/ubuntu-ports/dists/bionic/InRelease  Connection 
failed [IP: 91.189.91.39 80]
W: Failed to fetch 
http://ports.ubuntu.com/ubuntu-ports/dists/bionic-updates/InRelease 
  Connection failed [IP: 91.189.91.39 80]
W: Failed to fetch 
http://ports.ubuntu.com/ubuntu-ports/dists/bionic-backports/InRelease 
  Connection failed [IP: 91.189.91.39 80]
W: Failed to fetch 
http://ports.ubuntu.com/ubuntu-ports/dists/bionic-security/InRelease 
  Connection failed [IP: 91.189.91.39 80]
W: Some index files failed to download. They have been ignored, or old 
ones used instead.

This has only started happening a day or so ago.

I can ping the IP addresses and access them via firefox on any PC or SBC.

Regards

Sid.

-- 
Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support
Senior Staff Specialist, Cricket Coach
Microsoft Windows Free Zone - Linux used for all Computing Tasks