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Old 01-09-2006, 09:02 AM   #7
Kastagaar
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Location: Hampshire, UK
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All occurrences of 255 should be doubled when sent, to differentiate them from IAC. Hence, any incoming IAC IAC should be interpreted as a 255.

Thus, if you were receiving a NAWS subnegotiation which reported a width and height of 255, 256, then you would receive:

IAC SB NAWS 0 255 255 1 0 IAC SE

Note the double-255.
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