According to /var/log/apt/term.log, there were no prompts or warnings
during the installation of the updated clamav packages.

The TCP settings are saved in debconf:
# debconf-show clamav-daemon | grep TCP
* clamav-daemon/TcpOrLocal: TCP
* clamav-daemon/TCPAddr: any
* clamav-daemon/TCPSocket: 3310

... but those values appear to be overridden in this package version due
to the presence of the /usr/lib/systemd/system/clamav-daemon.socket file
(which does not appear to be managed by the postinst script to reflect
the debconf settings).

Before the upgrade, /var/log/clamav/clamav.log showed the following when clamd 
restarted:
Tue Jul  1 09:21:15 2025 -> Loaded 8707300 signatures.
Tue Jul  1 09:21:21 2025 -> TCP: Bound to [0.0.0.0]:3310
Tue Jul  1 09:21:21 2025 -> TCP: Setting connection queue length to 15
Tue Jul  1 09:21:21 2025 -> TCP: Bound to [::]:3310
Tue Jul  1 09:21:21 2025 -> TCP: Setting connection queue length to 15
Tue Jul  1 09:21:21 2025 -> Limits: Global time limit set to 120000 
milliseconds.


After the upgrade, it shows:
Wed Jul  2 13:19:15 2025 -> Loaded 8707574 signatures.
Wed Jul  2 13:19:21 2025 -> TCP: No tcp AF_INET/AF_INET6 SOCK_STREAM socket 
received from systemd.
Wed Jul  2 13:19:21 2025 -> LOCAL: Received AF_UNIX SOCK_STREAM socket from 
systemd.
Wed Jul  2 13:19:21 2025 -> Limits: Global time limit set to 120000 
milliseconds.

-- 
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/2115847

Title:
  Jammy clamav-daemon no longer listening on TCP port after upgrade  to
  1.4.3+dfsg-0ubuntu0.22.04.1 (jammy-security)

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