From owner-freebsd-current@freebsd.org Mon Jan 11 14:50:42 2021 Return-Path: Delivered-To: freebsd-current@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 2F8A24DB930 for ; Mon, 11 Jan 2021 14:50:42 +0000 (UTC) (envelope-from freebsd@grem.de) Received: from mail.evolve.de (mail.evolve.de [213.239.217.29]) (using TLSv1.3 with cipher TLS_CHACHA20_POLY1305_SHA256 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA512 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mail.evolve.de", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4DDxTY1BdTz3nL7 for ; Mon, 11 Jan 2021 14:50:40 +0000 (UTC) (envelope-from freebsd@grem.de) Received: by mail.evolve.de (OpenSMTPD) with ESMTP id 66da44f7; Mon, 11 Jan 2021 14:50:38 +0000 (UTC) Received: by mail.evolve.de (OpenSMTPD) with ESMTPSA id 24ad6d3b (TLSv1.3:AEAD-CHACHA20-POLY1305-SHA256:256:NO); Mon, 11 Jan 2021 14:50:37 +0000 (UTC) Date: Mon, 11 Jan 2021 15:50:22 +0100 From: Michael Gmelin To: qroxana Cc: freebsd-current@freebsd.org Subject: Re: jail fib no longer works after net.add_addr_allfibs=0 Message-ID: <20210111155022.71549b54@bsd64.grem.de> In-Reply-To: References: X-Face: $wrgCtfdVw_H9WAY?S&9+/F"!41z'L$uo*WzT8miX?kZ~W~Lr5W7v?j0Sde\mwB&/ypo^}> +a'4xMc^^KroE~+v^&^#[B">soBo1y6(TW6#UZiC]o>C6`ej+i Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAJFBMVEWJBwe5BQDl LASZU0/LTEWEfHbyj0Txi32+sKrp1Mv944X8/fm1rS+cAAAACXBIWXMAAAsTAAAL EwEAmpwYAAAAB3RJTUUH3wESCxwC7OBhbgAAACFpVFh0Q29tbWVudAAAAAAAQ3Jl YXRlZCB3aXRoIFRoZSBHSU1QbbCXAAAAAghJREFUOMu11DFvEzEUAGCfEhBVFzuq AKkLd0O6VrIQsLXVSZXoWE5N1K3DobBBA9fQpRWc8OkWouaIjedWKiyREOKs+3PY fvalCNjgLVHeF7/3bMtBzV8C/VsQ8tecEgCcDgrzjekwKZ7TwsJZd/ywEKwwP+ZM 8P3drTsAwWn2mpWuDDuYiK1bFs6De0KUUFw0tWxm+D4AIhuuvZqtyWYeO7jQ4Aea 7jUqI+ixhQoHex4WshEvSXdood7stlv4oSuFOC4tqGcr0NjEqXgV4mMJO38nld4+ xKNxRDon7khyKVqY7YR4d+Cg0OMrkWXZOM7YDkEfKiilCn1qYv4mighZiynuHHOA Wq9QJq+BIES7lMFUtcikMnkDGHUoncA+uHgrP0ctIEqfwLHzeSo+eUA66AqzwN6n 2ZHJhw6Qh/PoyC/QENyEyC/AyNjq74Bs+3UH0xYwzDUC4B97HgLocg1QLYgDDO1v f3UX9Y307Ew4AHh67YAFFsxEpkXwpXY3eIgMhAAE3R19L919nNnuD2wlPcDE3UeT L2ytEICQib9BXgS2fU8PrD82ToYO1OEmMSnYTjSqSv9wdC0tPYC+rQRQD9ESnldF CyqfmiYW+tlALt8gH2xrMdC/youbjzPXEun+/ReXsMCDyve3dZc09fn2Oas8oXGc Jj6/fOeK5UmSMPmf/jL+GD8BEj0k/Fn6IO4AAAAASUVORK5CYII= MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4DDxTY1BdTz3nL7 X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.50 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[grem.de:s=20180501]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:213.239.217.29/32]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[grem.de]; SPAMHAUS_ZRD(0.00)[213.239.217.29:from:127.0.2.255]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[grem.de:+]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_HAM_SHORT(-1.00)[-1.000]; FREEMAIL_TO(0.00)[mail.ru]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RBL_DBL_DONT_QUERY_IPS(0.00)[213.239.217.29:from]; ASN(0.00)[asn:24940, ipnet:213.239.192.0/18, country:DE]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-current] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Jan 2021 14:50:42 -0000 On Mon, 11 Jan 2021 12:38:50 +0000 qroxana wrote: > I have exec.fib = 2 in /etc/jail.conf, but it seems the address of > the jail is not inserted into this fib. What's the best practice > for using jail with fib when net.add_addr_allfibs=0? Depends on how you configure the jail address (seeing your full jail.conf would be useful). What I used to do when using fibs (switched everything to vnet now, as fibs + jails can be painful), is setting something like this in rc.conf: ifconfig_em0_name="jailif" ifconfig_jailif="10.0.0.2/24 fib 2 description 'jail interface'" and setting routes as needed: static_routes="default_jailif" route_default_jailif="default 10.0.0.1 -fib 2" (in reality this involved vlans multiple addresses per interface) Also, you need to make sure to use setfib correctly when jexec'ing into a jail to (re)start daemons (plus, as a safety measure, configure "_fib=2" within the jail's /etc/rc.conf). Cheers, Michael -- Michael Gmelin