Received: from malur.postgresql.org ([2a02:16a8:dc51::56]) by arkaria.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.89) (envelope-from ) id 1fiiNG-00084V-6m for pgsql-hackers@arkaria.postgresql.org; Thu, 26 Jul 2018 15:40:18 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.89) (envelope-from ) id 1fiiND-0008UD-QA for pgsql-hackers@arkaria.postgresql.org; Thu, 26 Jul 2018 15:40:15 +0000 Received: from makus.postgresql.org ([2001:4800:1501:1::229]) by malur.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.89) (envelope-from ) id 1fiiND-0008Tv-DU for pgsql-hackers@lists.postgresql.org; Thu, 26 Jul 2018 15:40:15 +0000 Received: from smtp-fw-6002.amazon.com ([52.95.49.90]) by makus.postgresql.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA384:256) (Exim 4.89) (envelope-from ) id 1fiiNA-0002vx-HF for pgsql-hackers@postgresql.org; Thu, 26 Jul 2018 15:40:13 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1532619612; x=1564155612; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-id:content-transfer-encoding: mime-version; bh=VgJbOVrHJbVKgrQ/svG3K0+i16YuzBP54NJ6LP0nV/M=; b=icofjTN37XA7eDnqhkB60ndEaMwwowIUiViQGS72QTELe3X4AjMWQ1e5 oWoOEXSzgYTwUzxPw8cvzCdoADkg36kZSdwdM5y+5+smUHSE9YY0WCayH GmCu7RuLKMHdeGvReVjv1ySavif5Hbbj4PdmXnZkFUcwXZdCdEY1IG4NU I=; X-IronPort-AV: E=Sophos;i="5.51,405,1526342400"; d="scan'208";a="354630197" Received: from iad6-co-svc-p1-lb1-vlan3.amazon.com (HELO email-inbound-relay-2c-397e131e.us-west-2.amazon.com) ([10.124.125.6]) by smtp-border-fw-out-6002.iad6.amazon.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 26 Jul 2018 15:40:10 +0000 Received: from EX13MTAUWC001.ant.amazon.com (pdx1-ws-svc-p6-lb9-vlan2.pdx.amazon.com [10.236.137.194]) by email-inbound-relay-2c-397e131e.us-west-2.amazon.com (8.14.7/8.14.7) with ESMTP id w6QFe9gh085076 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=FAIL); Thu, 26 Jul 2018 15:40:09 GMT Received: from EX13D18UWC002.ant.amazon.com (10.43.162.88) by EX13MTAUWC001.ant.amazon.com (10.43.162.135) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Thu, 26 Jul 2018 15:40:09 +0000 Received: from EX13D03UWC004.ant.amazon.com (10.43.162.49) by EX13D18UWC002.ant.amazon.com (10.43.162.88) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Thu, 26 Jul 2018 15:40:08 +0000 Received: from EX13D03UWC004.ant.amazon.com ([10.43.162.49]) by EX13D03UWC004.ant.amazon.com ([10.43.162.49]) with mapi id 15.00.1367.000; Thu, 26 Jul 2018 15:40:08 +0000 From: "Bossart, Nathan" To: Michael Paquier , Andres Freund CC: "pgsql-hackers@lists.postgresql.org" , Robert Haas , "Schneider, Jeremy" , PostgreSQL-development , "Albin, Lloyd P" Subject: Re: BUG #15182: Canceling authentication due to timeout aka Denial of Service Attack Thread-Topic: BUG #15182: Canceling authentication due to timeout aka Denial of Service Attack Thread-Index: AQHT4MO6juQBhpg+30y8ojS4Bv14mqSXq90AgAXGhICAANWagIAAARKAgAAJBQCAAAB8AIADLbUAgABO/YCAAAlCgA== Date: Thu, 26 Jul 2018 15:40:07 +0000 Message-ID: <082C3D70-C39D-41F4-B889-C128D09DE02E@amazon.com> References: <152512087100.19803.12733865831237526317@wrigleys.postgresql.org> <9145334b-9583-124c-012e-7d58039ad417@amazon.com> <20180724041403.GF4035@paquier.xyz> <20180724045010.GA4736@paquier.xyz> <20180726052415.GC3927@paquier.xyz> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.43.160.160] Content-Type: text/plain; charset="utf-8" Content-ID: <3F7BF3CBD271284BBD2797F0325E26B7@amazon.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Precedence: Bulk List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk T24gNy8yNi8xOCwgMTA6MDcgQU0sICJCb3NzYXJ0LCBOYXRoYW4iIDxib3NzYXJ0bkBhbWF6b24u Y29tPiB3cm90ZToNCj4gVGhlIGZpcnN0IHRpbWUgd2UgdXNlIHRoaXMgY2FsbGJhY2ssIHRoZSBy ZWxhdGlvbiB3b24ndCBiZSBsb2NrZWQsIHNvDQo+IGlzbid0IGl0IHBvc3NpYmxlIHRoYXQgd2Ug d29uJ3QgZ2V0IGEgdmFsaWQgdHVwbGUgaGVyZT8gIEkgZGlkIG5vdGljZQ0KPiB0aGF0IGNhbGxi YWNrcyBsaWtlIFJhbmdlVmFyQ2FsbGJhY2tGb3JSZW5hbWVSdWxlLA0KPiBSYW5nZVZhckNhbGxi YWNrRm9yUG9saWN5LCBhbmQgUmFuZ2VWYXJDYWxsYmFja0ZvclJlbmFtZVRyaWdnZXIgYXNzdW1l DQo+IHRoYXQgdGhlIHJlbGF0aW9uIGNhbiBiZSBjb25jdXJyZW50bHkgZHJvcHBlZCwgYnV0DQo+ IFJhbmdlVmFyQ2FsbGJhY2tPd25zUmVsYXRpb24gZG9lcyBub3QuICBJbnN0ZWFkLCB3ZSBhc3N1 bWUgdGhhdCB0aGUNCj4gc3lzY2FjaGUgc2VhcmNoIHdpbGwgc3VjY2VlZCBpZiB0aGUgZ2l2ZW4g T0lEIGlzIHZhbGlkLiAgSXMgdGhpcyBhDQo+IGJ1Zywgb3IgYW0gSSBtaXNzaW5nIHNvbWV0aGlu Zz8NCg0KUGxlYXNlIHBhcmRvbiB0aGUgbm9pc2UuICBJIHNlZSB0aGF0IHdlIGRvbid0IGFjY2Vw dCBpbnZhbGlkYXRpb24NCm1lc3NhZ2VzIHVudGlsIGxhdGVyIG9uIGluIFJhbmdlVmFyR2V0UmVs aWRFeHRlbmRlZCgpLCBhdCB3aGljaCBwb2ludA0Kd2UnbGwgcmV0cnkgYW5kIGdldCBJbnZhbGlk T2lkIGZvciBjb25jdXJyZW50bHkgZHJvcHBlZCByZWxhdGlvbnMuDQoNCk5hdGhhbg0KDQo=