Man pages matching name network.conf in section 5:

network.conf.5.en	debian 10 / netscript-2.4
network.conf.5.en	debian 10 / netscript-ipfilter
network.conf.5.en	debian 11 / netscript-2.4
network.conf.5.en	debian 11 / netscript-ipfilter
network.conf.5.en	debian 12 / netscript-2.4
network.conf.5.en	debian 12 / netscript-ipfilter