From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=0.5 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE,RDNS_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.2 Received: (qmail 30332 invoked from network); 26 Mar 2020 01:09:56 -0000 Received-SPF: pass (minnie.tuhs.org: domain of minnie.tuhs.org designates 45.79.103.53 as permitted sender) receiver=inbox.vuxu.org; client-ip=45.79.103.53 envelope-from= Received: from unknown (HELO minnie.tuhs.org) (45.79.103.53) by inbox.vuxu.org with ESMTP; 26 Mar 2020 01:09:56 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 566219D52D; Thu, 26 Mar 2020 11:09:53 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 3505F9CD84; Thu, 26 Mar 2020 11:08:51 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="signature verification failed" (1024-bit key; secure) header.d=tnetconsulting.net header.i=@tnetconsulting.net header.b="NTlRQfXk"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 699329CD7C; Thu, 26 Mar 2020 11:08:48 +1000 (AEST) Received: from tncsrv06.tnetconsulting.net (tncsrv06.tnetconsulting.net [45.33.28.24]) by minnie.tuhs.org (Postfix) with ESMTPS id 190989CD73 for ; Thu, 26 Mar 2020 11:08:48 +1000 (AEST) Received: from Contact-TNet-Consulting-Abuse-for-assistance by tncsrv06.tnetconsulting.net (8.15.2/8.15.2/Debian-3) with ESMTPSA id 02Q18jq7023996 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 25 Mar 2020 20:08:47 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=tnetconsulting.net; s=2019; t=1585184927; bh=9h+CCd5Kdt6i6AB1jdNOygys8jEyf0qIxDUfEl90pjg=; h=Subject:To:References:From:Message-ID:Date:User-Agent: MIME-Version:In-Reply-To:Content-Type:Cc:Content-Disposition: Content-Language:Content-Transfer-Encoding:Content-Type:Date:From: In-Reply-To:Message-ID:MIME-Version:References:Reply-To: Resent-Date:Resent-From:Resent-To:Resent-Cc:Sender:Subject:To: User-Agent; b=NTlRQfXkydj7FG5Y1lzo1kmZQ5czdjYcPrygwrKXL2h4REH+K2Gfsxu/Wk9SmF5PD yaS4AtrhFayaVeO52Z1KZXa7Ke5xJH+ndLS1EVOCF8mAO0JU9cyBkm/pLsYFCqXJNh cP5BLxQQMunk55yzHvS2/MM0vY2gAWM+r4pgyl2g= To: tuhs@minnie.tuhs.org References: <20200306224431.D226C18C080@mercury.lcs.mit.edu> <3D1DBF45-AE50-4027-8AAA-6C1D97D28D4D@planet.nl> <20200307163935.GA57521@clarinet.employees.org> <20200308151332.GA70333@clarinet.employees.org> <5dbf2153-5993-242a-5ba9-54b49a38569e@spamtrap.tnetconsulting.net> <20200323084943.GA341861@straylight.m.ringlet.net> <20200324094710.GB83316@clarinet.employees.org> <127f7c5c-a607-8f5b-1760-5a308c279836@tnetconsulting.net> Organization: TNet Consulting Message-ID: Date: Wed, 25 Mar 2020 19:08:35 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms000207050007020900090300" Subject: Re: [TUHS] sockets (was Re: First appearance of named pipes) X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Grant Taylor via TUHS Reply-To: Grant Taylor Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" This is a cryptographically signed message in MIME format. --------------ms000207050007020900090300 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 3/25/20 6:18 PM, Richard Salz wrote: > netcat ? Sure. netcat, et al., do make it possible to initiate outbound connectio= ns. Maybe it's the fog in my brain at the moment, but I don't see how to=20 connect netcat's STDIO to another process cleanly. Maybe I need to=20 think more about the following hypothetical example: =C2=B7 netcat's STDOUT to grep's STDIN =C2=B7 grep's STDOUT to netcat's STDIN Where netcat listens on a port and grep does some useful work over the=20 stream coming through netcat. Thank you for prodding my brain Richard. --=20 Grant. . . . unix || die --------------ms000207050007020900090300 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCC CzkwggUhMIIECaADAgECAhA53zcXtFD9dENby64EqrKqMA0GCSqGSIb3DQEBCwUAMIGWMQsw CQYDVQQGEwJHQjEbMBkGA1UECBMSR3JlYXRlciBNYW5jaGVzdGVyMRAwDgYDVQQHEwdTYWxm b3JkMRgwFgYDVQQKEw9TZWN0aWdvIExpbWl0ZWQxPjA8BgNVBAMTNVNlY3RpZ28gUlNBIENs aWVudCBBdXRoZW50aWNhdGlvbiBhbmQgU2VjdXJlIEVtYWlsIENBMB4XDTE5MTExOTAwMDAw MFoXDTIwMTExODIzNTk1OVowKzEpMCcGCSqGSIb3DQEJARYaZ3RheWxvckB0bmV0Y29uc3Vs dGluZy5uZXQwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCwIZcEJcuE7mUfxJnD I8oOSX/TvAhoP11agD++8L7Ok8fFJhJK0lOVRsq1M6lF2E2Vzuyffg2ppbecWvHcIRadsaiG imnrJQasdkhj/JUtqPUXnC0SVA0AzYLrLReQB+9j/jTgB5JnFLyC2lEn9KTA6JmDGjvVkv2T 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