curl/docs/cmdline-opts/socks5-gssapi-nec.md

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c: Copyright (C) Daniel Stenberg, daniel@haxx.se, et al. SPDX-License-Identifier: curl Long: socks5-gssapi-nec Help: Compatibility with NEC SOCKS5 server Added: 7.19.4 Category: proxy auth Multi: boolean See-also:

• socks5 Example:
• --socks5-gssapi-nec --socks5 hostname:4096 $URL ---

--socks5-gssapi-nec

As part of the GSS-API negotiation a protection mode is negotiated. RFC 1961 says in section 4.3/4.4 it should be protected, but the NEC reference implementation does not. The option --socks5-gssapi-nec allows the unprotected exchange of the protection mode negotiation.