Well that leaves your $socket->recv as the culprit. I'm suspecting your are not getting 1024 bytes due to fragmentation of the packet. This info (Section 5.8) may be of assistance ( long story short a minimum datagram could be as small as 28 bytes ( IP + UDP header )) due to fragmentation.

coreolyn

In reply to Re: Intercepting UDP broadcasts by coreolyn
in thread Intercepting UDP broadcasts by Abigail-II

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