From nobody Wed May 19 21:00:41 2021 X-Original-To: freebsd-current@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id A72E18B97A7 for ; Wed, 19 May 2021 21:00:44 +0000 (UTC) (envelope-from schweikh@schweikhardt.net) Received: from ikarus.efm.de (ikarus.efm.de [195.190.148.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4FlldS3g6zz3tR8 for ; Wed, 19 May 2021 21:00:44 +0000 (UTC) (envelope-from schweikh@schweikhardt.net) Received: from ikarus.efm.de (localhost [127.0.0.1]) by ikarus.efm.de (Postfix) with ESMTPS id 4535429C1F75; Wed, 19 May 2021 23:00:42 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by ikarus.efm.de (Postfix) with ESMTP id 38CDC29C1E45; Wed, 19 May 2021 23:00:42 +0200 (CEST) Received: from ikarus.efm.de ([127.0.0.1]) by localhost (ikarus.efm.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 1UZpkALGhDi7; Wed, 19 May 2021 23:00:42 +0200 (CEST) Received: from ikarus.efm.de (ikarus.efm.de [195.190.148.243]) by ikarus.efm.de (Postfix) with ESMTP id F378229C141D; Wed, 19 May 2021 23:00:41 +0200 (CEST) Date: Wed, 19 May 2021 23:00:41 +0200 (CEST) From: Jens Schweikhardt To: "Rodney W. Grimes" Cc: freebsd-current Message-ID: <778046586.20646764.1621458041949.JavaMail.zimbra@schweikhardt.net> In-Reply-To: <202105191944.14JJie2n004974@gndrsh.dnsmgr.net> References: <202105191944.14JJie2n004974@gndrsh.dnsmgr.net> Subject: Re: Some odd TCP behavior (timeouts) List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Mailer: Zimbra 8.8.15_GA_3975 (ZimbraWebClient - FF88 ([unknown])/8.8.15_GA_3975) Thread-Topic: Some odd TCP behavior (timeouts) Thread-Index: /YINwbQN86YHI/AMBWLJWjkx/+sIgg== X-Rspamd-Queue-Id: 4FlldS3g6zz3tR8 X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] Rodney W. Grimes wrote: > One thing that did change that comes to mind is the > fact FreeBSD now drops certain packets if timestamps > got negotiated. Locally I have that turned off as > an unconfirmed suspect of some connection problems: > > sysctl net.inet.tcp.tolerate_missing_ts=1 > > You can try that, if it fixes the problem PLEASE let us know! YES! I've got my sanity back! Web interface and printing are working again with this sysctl (I verified it was 0 before). Thanks a ton, Rodney! Jens