gen_tcp/new_ssl http packet inconsistency when reading malformed header

Jonas Boberg <>
Mon Jun 21 16:43:30 CEST 2010


The new_ssl and gen_tcp sockets does not return
http packet decode errors in the same way.

How to repeat:
1. Run a ssl(new_ssl)/gen_tcp server with the http packet option set
2. Send a http request with a malformed header field to the server

new_ssl/gen_tcp will return different values when 
reading the header:
ssl:recv(SSLSocket, 0) -> {ok, {http_error, _Str}} 
gen_tcp:recv(Socket, 0) -> {error, {http_error, _Str}} 

Erlang version: R13B04 (no fix mentioned in in the release notes of R14A).

/Jonas
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