Date: Mon, 17 Feb 2020 18:47:06 +0300 From: =?UTF-8?Q?=C3=96zg=C3=BCr_Kazancci?= <ozgur@kazancci.com> To: Shamim Shahriar <shamim.shahriar@gmail.com> Cc: "freebsd-questions@FreeBSD.org" <freebsd-questions@freebsd.org>, owner-freebsd-questions@freebsd.org Subject: Re: disabling "weak" algorithms in sshd Message-ID: <9c582a48795d9d91f62878ee1070e7e7@kazancci.com> In-Reply-To: <CAOyJeZTbbkpznciYMaCOWswrtDDbo9AGiBdw3i6tcaz__CjS%2BQ@mail.gmail.com> References: <CAOyJeZTbbkpznciYMaCOWswrtDDbo9AGiBdw3i6tcaz__CjS%2BQ@mail.gmail.com>
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Hello. I usually use: https://www.sshaudit.com - great tool&recommendations! First, check your sshd IP/port via sshaudit.com, note your "score", afterwards apply the suggestions listed, and re-check your server again: https://www.sshaudit.com/hardening_guides.html Best, Özgür On 17/02/2020 18:09, Shamim Shahriar wrote: > Good afternoon all > > I had been googling for quite some time and so far came up empty, maybe > someone can shed some light or point me to the correct direction. > > I have introduced a bunch of servers into an infrastructure that > previously > had zero FreeBSD system. They make use of Tenable Security Centre ( > tenable.com) which I believe used Nessus in the backend to identify > vulnerabilities. Amongst other things, it is picking up on > (tenable/nessus > plugin ID 90317) "SSH Weak Algorithms Supported) because the server > allows > "none" algorithms. > > Is there any way to "select" or "selectively disable" algorithms and > hashes > from sshd? According to various web sources, certain implementation on > certain distributions might have options to amend the list, but none of > the > examples I have found worked on my FreeBSD system. > > Would appreciate if someone could please point me to the correct > direction. > > Kind regards > SK > _______________________________________________ > freebsd-questions@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to > "freebsd-questions-unsubscribe@freebsd.org"
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