Networking

DHCP

• busybox udhcpc: https://udhcp.busybox.net/README.udhcpc
• ISC dhcp
• sdhcp: https://github.com/michaelforney/sdhcp
• toybox dhcp: https://github.com/landley/toybox/blob/master/toys/pending/dhcp.c

DNS Resolver (run as a nobody user without permissions)

• The Linux kernel does not perform DNS resolution although it may cache DNS results (via nscd which is disabled on glaucus)
• DNS resolution happens in user space
• dnsmasq: https://thekelleys.org.uk/dnsmasq/doc.html
• OpenResolv: https://roy.marples.name/projects/openresolv
• s6-dns: https://skarnet.org/software/s6-dns/

Network Managers

• ifupdown-ng: https://github.com/ifupdown-ng/ifupdown-ng
• ConnMan: git kernel link

Wireless Daemon

• eiwd: https://github.com/illiliti/eiwd

Excluded

• bcnm (skarnet recommends using ifupdown-ng): https://skarnet.org/software/bcnm/
• iwd (Wireless Daemon): https://iwd.wiki.kernel.org/
• s6-networking (irrelevant): https://skarnet.org/software/s6-networking/
• systemd-resolved (DNS Resolver)

References

• https://busybox.net/~vda/no_ifup.txt