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p2p: add 0 port check in dialer (#21008)

Authored by Felix Lange <fjl@twurst.com> on Mon, May 11, 3:11 PM.

Description

p2p: add 0 port check in dialer (#21008)

  • p2p: add low port check in dialer

We already have a check like this for UDP ports, add a similar one in
the dialer. This prevents dials to port zero and it's also an extra
layer of protection against spamming HTTP servers.

  • p2p/discover: use errLowPort in v4 code
  • p2p: change port check
  • p2p: add comment
  • p2p/simulations/adapters: ensure assigned port is in all node records

Details

Event Timeline

GitHub <noreply@github.com> committed rGETH6f54ae24cdea: p2p: add 0 port check in dialer (#21008) (authored by Felix Lange <fjl@twurst.com>).Mon, May 11, 3:11 PM