-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Hi,
This seems to have been forgotten. ------- Original Message ------- On Thursday, July 20th, 2023 at 11:24, Niccolò Belli <darkba...@linuxsystems.it> wrote: > I'm using Debian 12 Bookworm with OpenVPN 2.6.3 on the server and Arch > Linux with OpenVPN 2.6.5 [git:makepkg/cbc9e0ce412e7b42+] on the client. <snip> > I really don't understand what value I should put in fragment and the > fact that things change a on day per day basis with apparently no reason > makes everything even more difficult to understand. If your PMTU is changing "on a daily basis" then you should probably report that as a fault to your Internet Service Provider(s). The only possible way to configure OpenVPN to deal with such an unreliable network is to set options such as --link-mtu, --max-packet-size, --fragment and --mssfix to a value lower than the lowest expected PMTU. With such a low PMTU as you describe, it may not be possible to use OpenVPN at all, because TLS does not allow for packet fragmentation, to my knowledge. Regards. -----BEGIN PGP SIGNATURE----- Version: ProtonMail wsBzBAEBCAAnBYJkvl78CZBPl5z2a5C4nRYhBAm8PURno41yecVVVU+XnPZr kLidAADY+gf9Fuga73g3wqnMD8g8EVsDYx8sMbWMAl4hl9gkEFZmRvpfU3yM LpuT657wBJliYw4q46ao7nl0FM46IOvEDN3aDZ3qZbmq/oZ2mFspIDKHIo2g IXSUiSQWpDAltAuqMX1mZ/6sQnR+92OglAeGOXZWFrLmyc2ZWCkPQbiTEg4s Jo8KsM8DUAU3k3kLufVbv5O7Leyqr0y7lAsyKrQERGRc6dZLIpT9WllMPI1j x9ATPB5kNJpuMZGKU/EWwELcLEvgDphzNifcNHHIpvC53Xnb48lbpkMNpGPb dE+IyxjggyIzTHCwUjLAFsMZcmFSqDzISSGn8gwcY5FEG0jNREJa+w== =zrUX -----END PGP SIGNATURE-----
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