Not sure if it's a bug so here the suggestion, we can /sockopen to localhost, but can't /sockudp to localhost :
Code:
alias test_sock {
  sockopen test_sock 127.0.0.1 8000
  echo -a /sockopen with 127.0.0.1 is fine
  sockclose test_sock
  sockopen test_sock localhost 8000
  echo -a /sockopen with localhost is fine
  sockclose test_sock
  sockudp test_sock 127.0.0.1 8000
  echo -a /sockudp with 127.0.0.1 is fine
  sockudp test_sock localhost 8000
  echo -a /sockudp with localhost is fine
}
It would make sense for /sockudp to also accept localhost as an ip address

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