Connection refused when I try to update the packages on Ubuntu 23.10 ? but my connection works properly.

[Mario Marietto]

# apt update

Get:1 http://security.ubuntu.com/ubuntu mantic-security InRelease [109 kB]
Ign:2 http://it.archive.ubuntu.com/ubuntu mantic InRelease

Ign:3 http://it.archive.ubuntu.com/ubuntu mantic-updates InRelease

Ign:4 http://it.archive.ubuntu.com/ubuntu mantic-backports InRelease

Hit:5 https://ppa.launchpadcontent.net/graphics-drivers/ppa/ubuntu mantic
InRelease
Get:6 https://ppa.launchpadcontent.net/mozillateam/ppa/ubuntu mantic
InRelease [23.8 kB]
Get:7 http://security.ubuntu.com/ubuntu mantic-security/main i386 Packages
[40.3 kB]
Get:8 http://security.ubuntu.com/ubuntu mantic-security/main amd64 Packages
[101 kB]
Get:9 http://security.ubuntu.com/ubuntu mantic-security/main Translation-en
[31.9 kB]
Get:10 http://security.ubuntu.com/ubuntu mantic-security/restricted amd64
Packages [130 kB]
Get:11 http://security.ubuntu.com/ubuntu mantic-security/restricted
Translation-en [21.0 kB]
Get:12 http://security.ubuntu.com/ubuntu mantic-security/universe i386
Packages [10.7 kB]
Get:13 http://security.ubuntu.com/ubuntu mantic-security/universe amd64
Packages [29.6 kB]
Get:14 http://security.ubuntu.com/ubuntu mantic-security/universe
Translation-en [13.5 kB]
Get:15 https://ppa.launchpadcontent.net/mozillateam/ppa/ubuntu mantic/main
i386 Packages [3,544 B]
Get:16 https://ppa.launchpadcontent.net/mozillateam/ppa/ubuntu mantic/main
amd64 Packages [35.6 kB]

Ign:2 http://it.archive.ubuntu.com/ubuntu mantic InRelease
Ign:3 http://it.archive.ubuntu.com/ubuntu mantic-updates InRelease
Ign:4 http://it.archive.ubuntu.com/ubuntu mantic-backports InRelease
Ign:2 http://it.archive.ubuntu.com/ubuntu mantic InRelease
Ign:3 http://it.archive.ubuntu.com/ubuntu mantic-updates InRelease
Ign:4 http://it.archive.ubuntu.com/ubuntu mantic-backports InRelease
Err:2 http://it.archive.ubuntu.com/ubuntu mantic InRelease


Could not connect to it.archive.ubuntu.com:80 (90.147.160.70). - connect
(111: Connection refused) Cannot initiate the connection to
it.archive.ubuntu.com:80 (2001:760:ffff:b6:4:100:0:70). - connect (101:
Network is unreachable) Could not connect to it.archive.ubuntu.com:80
(90.147.160.73). - connect (111: Connection refused) Cannot initiate the
connection to it.archive.ubuntu.com:80 (2001:760:ffff:b6:4:100:0:73). -
connect (101: Network is unreachable) Could not connect to
it.archive.ubuntu.com:80 (90.147.160.72). - connect (111: Connection
refused) Cannot initiate the connection to it.archive.ubuntu.com:80
(2001:760:ffff:b6:4:100:0:72). - connect (101: Network is unreachable)

Err:3 http://it.archive.ubuntu.com/ubuntu mantic-updates InRelease

Cannot initiate the connection to it.archive.ubuntu.com:80
(2001:760:ffff:b6:4:100:0:70). - connect (101: Network is unreachable)
Cannot initiate the connection to it.archive.ubuntu.com:80
(2001:760:ffff:b6:4:100:0:73). - connect (101: Network is unreachable)
Cannot initiate the connection to it.archive.ubuntu.com:80
(2001:760:ffff:b6:4:100:0:72). - connect (101: Network is unreachable)

Err:4 http://it.archive.ubuntu.com/ubuntu mantic-backports InRelease

Cannot initiate the connection to it.archive.ubuntu.com:80
(2001:760:ffff:b6:4:100:0:70). - connect (101: Network is unreachable)
Cannot initiate the connection to it.archive.ubuntu.com:80
(2001:760:ffff:b6:4:100:0:73). - connect (101: Network is unreachable)
Cannot initiate the connection to it.archive.ubuntu.com:80
(2001:760:ffff:b6:4:100:0:72). - connect (101: Network is unreachable)

Fetched 549 kB in 7s (76.7 kB/s)

Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
62 packages can be upgraded. Run 'apt list --upgradable' to see them.

W: Failed to fetch
http://it.archive.ubuntu.com/ubuntu/dists/mantic/InRelease  Could not
connect to it.archive.ubuntu.com:80 (90.147.160.70). - connect (111:
Connection refused) Cannot initiate the connection to
it.archive.ubuntu.com:80 (2001:760:ffff:b6:4:100:0:70). -connect (101:
Network is unreachable) Could not connect to it.archive.ubuntu.com:80
(90.147.160.73). - connect (111: Connection refused) Cannot initiate the
connection to it.archive.ubuntu.com:80 (2001:760:ffff:b6:4:100:0:73). -
connect (101: Network is unreachable) Could not connect to
it.archive.ubuntu.com:80 (90.147.160.72). - connect (111: Connection
refused) Cannot initiate the connection to it.archive.ubuntu.com:80
(2001:760:ffff:b6:4:100:0:72). - connect (101: Network is unreachable)

W: Failed to fetch
http://it.archive.ubuntu.com/ubuntu/dists/mantic-updates/InRelease  Cannot
initiate the connection to it.archive.ubuntu.com:80
(2001:760:ffff:b6:4:100:0:70). - connect (101: Network is unreachable)
Cannot initiate the connection to it.archive.ubuntu.com:80
(2001:760:ffff:b6:4:100:0:73). - connect (101: Network is unreachable)
Cannot initiate the connection to
it.archive.ubuntu.com:80(2001:760:ffff:b6:4:100:0:72).
- connect (101: Network is unreachable)

W: Failed to fetch
http://it.archive.ubuntu.com/ubuntu/dists/mantic-backports/InRelease
 Cannot initiate the connection to it.archive.ubuntu.com:80
(2001:760:ffff:b6:4:100:0:70). - connect (101: Network is unreachable)
Cannot initiate the connection to it.archive.ubuntu.com:80
(2001:760:ffff:b6:4:100:0:73). - connect (101: Network is unreachable)
Cannot initiate the connection to it.archive.ubuntu.com:80
(2001:760:ffff:b6:4:100:0:72). - connect (101: Network is unreachable)

W: Some index files failed to download. They have been ignored, or old ones
used instead.

# ping google.it

PING google.it (142.250.180.131) 56(84) bytes of data.
64 bytes from mil04s43-in-f3.1e100.net (142.250.180.131): icmp_seq=1
ttl=114 time=18.3 ms
64 bytes from mil04s43-in-f3.1e100.net (142.250.180.131): icmp_seq=2
ttl=114 time=18.2 ms
^C
--- google.it ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 18.179/18.218/18.257/0.039 ms



-- 
Mario.
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