Invalid HTTP Proxy Port Handling #3803
Description
Describe the bug
When a HTTP proxy is configured to only have two characters for a port, this gets rejected by the config parser for /etc/tedge/tedge.toml
`For example the below address is rejected
pitc-zscaler-global.corp.com:80
whilst the below is accepted.
pitc-zscaler-global.corp.com:808
To Reproduce
Expected behavior
thin-edge agent can work with proxies which run on port 80
Environment (please complete the following information):
--------------- machine details ---------------------
date: Fri 3 Oct 18:53:40 BST 2025
tedge:
Machine: Linux PC-Ubuntu 6.8.0-1034-azure #39~22.04.1-Ubuntu SMP Wed Aug 13 22:25:47 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
Architecture: amd64
Package Arch: x86_64
Distribution: Ubuntu 22.04.5 LTS
--------------- error details ------------------------
bash and curl are installed
Detected package manager: apt
Detected init system: systemd
systemd is supported out-of-the-box so there is no need to manually install the service definitions
Using repository arch: x86_64
Using repository arch: x86_64
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