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r294563 | des | 2016-01-22 05:13:46 -0800 (Fri, 22 Jan 2016) | 3 lines
Changed paths:
   M /head/crypto/openssh/servconf.c

Instead of removing the NoneEnabled option, mark it as unsupported.
(should have done this in r291198, but didn't think of it until now)

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r294564 | des | 2016-01-22 06:22:11 -0800 (Fri, 22 Jan 2016) | 2 lines
Changed paths:
   M /head/crypto/openssh/readconf.c

r294563 was incomplete; re-add the client-side options as well.

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--- readconf.c.orig	2021-04-27 11:24:15.916596000 -0700
+++ readconf.c	2021-04-27 11:25:24.222034000 -0700
@@ -316,6 +316,12 @@ static struct {
 	{ "proxyjump", oProxyJump },
 	{ "securitykeyprovider", oSecurityKeyProvider },
 	{ "knownhostscommand", oKnownHostsCommand },
+	{ "hpndisabled", oDeprecated },
+	{ "hpnbuffersize", oDeprecated },
+	{ "tcprcvbufpoll", oDeprecated },
+	{ "tcprcvbuf", oDeprecated },
+	{ "noneenabled", oUnsupported },
+	{ "noneswitch", oUnsupported },
 
 	{ NULL, oBadOption }
 };
--- servconf.c.orig	2020-02-13 16:40:54.000000000 -0800
+++ servconf.c	2020-03-21 17:01:18.011062000 -0700
@@ -695,6 +695,10 @@ static struct {
 	{ "rdomain", sRDomain, SSHCFG_ALL },
 	{ "casignaturealgorithms", sCASignatureAlgorithms, SSHCFG_ALL },
 	{ "securitykeyprovider", sSecurityKeyProvider, SSHCFG_GLOBAL },
+	{ "noneenabled", sUnsupported, SSHCFG_ALL },
+	{ "hpndisabled", sDeprecated, SSHCFG_ALL },
+	{ "hpnbuffersize", sDeprecated, SSHCFG_ALL },
+	{ "tcprcvbufpoll", sDeprecated, SSHCFG_ALL },
 	{ NULL, sBadOption, 0 }
 };