```
root@opi5 /etc/apt/sources.list.d# apt-get update
Hit:1 http://deb.debian.org/debian trixie-backports InRelease
Hit:2 http://deb.debian.org/debian trixie InRelease
Hit:3 http://deb.debian.org/debian trixie-updates InRelease
Hit:4 http://security.debian.org trixie-security InRelease
Hit:5 https://github.armbian.com/configng stable InRelease
Hit:6 http://mirror.vinehost.net/armbian/apt trixie InRelease
Reading package lists... Done
W: https://github.armbian.com/configng/dists/stable/InRelease: Policy will reject signature within a year, see --audit for details
N: Missing Signed-By in the sources.list(5) entry for 'http://deb.debian.org/debian'
```
```
root@opi5 /etc/apt/sources.list.d# apt-get update --audit
Hit:1 http://deb.debian.org/debian trixie-backports InRelease
Hit:2 http://deb.debian.org/debian trixie InRelease
Hit:3 http://deb.debian.org/debian trixie-updates InRelease
Hit:4 http://security.debian.org trixie-security InRelease
Hit:5 https://github.armbian.com/configng stable InRelease
Hit:6 http://mirror.vinehost.net/armbian/apt trixie InRelease
Reading package lists... Done
W: https://github.armbian.com/configng/dists/stable/InRelease: Policy will reject signature within a year, see --audit for details
A: https://github.armbian.com/configng/dists/stable/InRelease: Sub-process /usr/bin/sqv returned an error code (1), error message is:
Signing key on DF00FAF1C577104B50BF1D0093D6889F9F0E78D5 is not bound:
No binding signature at time 2025-09-08T18:12:20Z
because: Policy rejected non-revocation signature (PositiveCertification) requiring second pre-image resistance
because: SHA1 is not considered secure since 2026-02-01T00:00:00Z
Missing key 8CFA83D13EB2181EEF5843E41EB30FAF236099FE, which is needed to verify signature.
N: Missing Signed-By in the sources.list(5) entry for 'http://deb.debian.org/debian'
```
**/etc/apt/sources.list.d/armbian-config.sources**
```
Types: deb
URIs: https://github.armbian.com/configng
Suites: stable
Components: main
Signed-By: /usr/share/keyrings/armbian.gpg
```
**/etc/apt/sources.list.d/armbian.sources**
```
Types: deb
URIs: http://apt.armbian.com/
Suites: trixie
Components: main trixie-utils trixie-desktop
Signed-By: /etc/apt/trusted.gpg.d/armbian.gpg
```
**/etc/apt/sources.list.d/debian-backports.sources**
```
# Modernized from /etc/apt/sources.list
Types: deb
URIs: http://deb.debian.org/debian/
Suites: trixie-backports
Components: main contrib non-free non-free-firmware
Signed-By:
```
**/etc/apt/sources.list.d/debian.sources**
```
# Modernized from /etc/apt/sources.list
Types: deb
URIs: http://deb.debian.org/debian/
Suites: trixie
Components: main contrib non-free non-free-firmware
Signed-By: /usr/share/keyrings/debian-archive-keyring.gpg
# Modernized from /etc/apt/sources.list
Types: deb
URIs: http://deb.debian.org/debian/
Suites: trixie-updates
Components: main contrib non-free non-free-firmware
Signed-By: /usr/share/keyrings/debian-archive-keyring.gpg
# Modernized from /etc/apt/sources.list
Types: deb
URIs: http://security.debian.org/
Suites: trixie-security
Components: main contrib non-free non-free-firmware
Signed-By: /usr/share/keyrings/debian-archive-keyring.gpg
```
How to fix it?