Date: Tue, 1 Dec 2015 15:18:51 +0000 From: Matthew Seaman <matthew@FreeBSD.org> To: freebsd-net@freebsd.org Subject: Re: IPFW blocked my IPv6 NTP traffic Message-ID: <565DBA5B.20203@FreeBSD.org> In-Reply-To: <1448982333.1269981.454734633.11BA4DB2@webmail.messagingengine.com> References: <1448920706.962818.454005905.61CF9154@webmail.messagingengine.com> <1448956697.854911427.15is5btc@frv34.fwdcdn.com> <1448982333.1269981.454734633.11BA4DB2@webmail.messagingengine.com>
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --TmVMsQMKq8Ifili5mSUhmhlGRWTbmXSVC Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable On 2015/12/01 15:05, Mark Felder wrote: > Notice how almost all of them are port 123 on both sides, but a few of > them are not. Why? The RFC says that NTP is supposed to be using port > 123 as both the source and destination port, but I clearly have > something happening on port 16205. Is something screwy with ntpd in > CURRENT? NTP not using port 123 as the source port usually indicates that it is behind a NAT gateway at the other end. It's harmless and fairly common. Cheers, Matthew --TmVMsQMKq8Ifili5mSUhmhlGRWTbmXSVC Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQJ8BAEBCgBmBQJWXbpiXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXQxOUYxNTRFQ0JGMTEyRTUwNTQ0RTNGMzAw MDUxM0YxMEUwQTlFNEU3AAoJEABRPxDgqeTnca8P/1p9ApkkoieNtD658c0QY8HP EFIiCAuvWWd65VGyvaKB2MncImxIE0zsB8Ios0dvDNcTTLL6io+5SkQmUDfZHHBY FF59jtmHO9UxniSVS7Z2H3BikGMFCtTRvX6agJOU6idgDaPjeYa8GdGT5sNJm/c5 ONmd1mtJcH0acD+iZGXXwCFL8JTGE2bllg4zHOKQOhv/Ks5OrE4TJSvdU+RNqQpr 6XfN8R82t8z/sj4pHLvaMyw4pnr9TlB/ZhwOJtfgpAnMZ6xLTKe3WlNEzbbHAz/L CZoyx6oJRRqo4PAL5M4dq7F28i7jYb0lyiN8FG1xEh4D8VjItBQdPB0itcsJK+Wk LsfJH7GEpIbyhMHUmCbcLM5Tm20izp9MxKJar3SzwNReeiNJSvb0qh7im4Z/qcA1 gbZUSl8xShcFmuwTh2ZG/6Au7rV2o28Z8ahP90G1cmaRQ2ntz1UCw0CQJ/MQFA+W opmjt0Ft1kovxoLIDq61Xm3OxVPA3otdFtcOgxAGf8n9TLXDMHo7umfU0IAjGHLu 8LCDsusNUTjwledbJtyzpZFuIwcKk1IN/yI9Pyw4rcC5sK9dgOsxatpqdKa+m/6V 3Lg3NITT7pFCIIIBVPrrBYCkbpBtZPpCPVztRbh0hcizD4TmHuzm4YeG96ktJbkj F43EG5KLONF5fCtsiHTt =yI9P -----END PGP SIGNATURE----- --TmVMsQMKq8Ifili5mSUhmhlGRWTbmXSVC--
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