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A bug in netinet/ip_esp.c function esp_output()

From: Aref Taidi <ataidi(at)avaya.com>
Date: Fri Jan 31 2003 - 09:02:53 EST

Hi,

RFC 2406 specifies that the Next Header field to be set to the protocol of the ESP payload. This value in Tunnelling mode is IPPROTO_IPIP or in transport mode a higher layer protocol ID e.g. IPPROTO_TCP or IPPROTO_UDP.

In function esp_output() this field is incorrectly set to IPPROTO_ESP. This value in fact belongs to the protocol field of the outer IP header.

Kind regards,

Aref Taidi
Principal Software Engineer
Avaya, Welwyn Garden City, UK
Tel: +44 1707 364657
email: ataidi@avaya.com Received on Fri Jan 31 09:04:58 2003

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