Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vjEdW-00BbIx-1e for pgsql-hackers@arkaria.postgresql.org; Fri, 23 Jan 2026 10:43:31 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1vjEdV-00HArP-1y for pgsql-hackers@arkaria.postgresql.org; Fri, 23 Jan 2026 10:43:29 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vjEdV-00HArG-0V for pgsql-hackers@lists.postgresql.org; Fri, 23 Jan 2026 10:43:29 +0000 Received: from mout.gmx.net ([212.227.17.21]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vjEdS-001u5L-1Q for pgsql-hackers@lists.postgresql.org; Fri, 23 Jan 2026 10:43:28 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmx.net; s=s31663417; t=1769165003; x=1769769803; i=mbanck@gmx.net; bh=gxX92OvN/MqphwbHkhvyiMHuYMrFibsh/zl2OtWdi7Y=; h=X-UI-Sender-Class:Date:From:To:Cc:Subject:Message-ID:References: MIME-Version:Content-Type:In-Reply-To:cc: content-transfer-encoding:content-type:date:from:message-id: mime-version:reply-to:subject:to; b=lff26W9VUXwdh3D1104xhdSaO7dEeJgcaevTV8uJzUstzLvr0Qsch67+R4ZDDexq ERhbH3YlnwqS1bbJ58LGJrHlJ/+IAWIYFGoLG8kjsOXr/J0J2qq7z+fmFd4r6EJ16 QA54uVlxkzg5d22ntGYCxu8u/SUVXh9JaEkeKZX04u8bN4Hzle/VLZ0EAZ87pLP8s 3mUxT2EIb1DKDUIRfmnKrZJ4ASR3kVOkC7V1CEpzCGlCNkPpxLmVrEkiBEkZ2kBG/ A0vhzO02elA2EcNBDwZtbQQbPx6VT7a5aPnfdjincCTPLvEt8HTPXQg6a/vi8+2a9 w2QRC6SFm8tbPoMJOQ== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from lightning.p46.dedyn.io ([88.217.119.76]) by mail.gmx.net (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1McH9Y-1wLslr1Ujs-00h6of; Fri, 23 Jan 2026 11:43:23 +0100 Received: from mbanck by lightning.p46.dedyn.io with local (Exim 4.92) (envelope-from ) id 1vjEdO-00015K-Re; Fri, 23 Jan 2026 11:43:22 +0100 Date: Fri, 23 Jan 2026 11:43:22 +0100 From: Michael Banck To: Thomas Munro Cc: PostgreSQL Hackers Subject: Re: Time to drop RADIUS support? Message-ID: <20260123104322.GA17962@p46.dedyn.io;lightning.p46.dedyn.io> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-Provags-ID: V03:K1:RWZfEEzn6HzcMl6HkxdKgmp5NtDUvGwx5i0o221/mhdJYSKY7T5 IrlTQ3/Y2C9vE907Z8HDb1Js58fZSS/cFm1D58yfqtgKGrYmv76fOeTSDCsnshgUR4MlaIF VMr0JMLjFVrQ2TK7NerVkfs5pig/ltw9whg5BU+A/gDFoYnG560+RNi+rwxE9Fmdae3BmOf lJKxLX2LSpa8pL4lfHzyQ== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:wvRXA3nibgo=;uelat7qaHAgIutXgOh4NPpqSNux gR2uZ0qLUqMnr1+UqPjhw4lsUIdsagU6BhD5ss9+AsDz3sgUgDfk3Q+xa37jpdc1v5gszjpKN LxsZ9pF/C5joGVuvY53jwiyM1RhZTEUXTqJSXdR3DVO+/vaqUOiU7ckfcwdUeDE9nbbPNY65O j1+P/PgfXcK2Vr6u3+ytao/wOyTs95/+vMx6HQ4vCix5s8o9ZPWsYLMEoGoRg2D7NJxRzwyy5 jSvA7BF6mvkXxXplyuPGv9oiaEqfUn3jzVWdDdA4UBMTMSgxVu25JTtIoVdqj9fCLrwTv5vkr GXW0fUmlhITfAr2xt0rbo7I2e9dFiyMhlUdlTttBA+7eF39nf0kTUR4cQ6qufw8PdbPj2zJ6f dx7sKICu/jvPuEUnZZdNJALBfwMLLcPANWOCsNhSWHiMppLlGl0aV4ru5Pk+fS2aTthUmis19 nS2ruIN1L+85PHgG3Fu+I8Aq6Pu9rLv2YsaMvpNh8E9vbxzJI8GpgYu5AXDRghjpvXV2RQOLU hSllG45MjsSeMdOjPKUlJVO1gaGCrAIdD/dSNX7BbmCnn5y72VYE3qsjUoNaq4o+Ip/mTAcmG +/v6pF3sxkzSAlMd8cZyQmJreKU2kfjgln3RaosiCctssnQwOUVPsKUi43oLrPwjWxCZwGIMT RWM1Df3ZPSx+bEmQ/Hi8+bZSEs5K1g9MWx/QK1yPCqMehQoPsfiGnJA8DmnxESUJdCbbYIEpX KptyLOzDHePMWczgtATx7FKDs8Y5nFKn2FP94nXXJ6RNc6m5qgE8IkHfbVtbfRUoPO3DmHE2V 1rzjNvoJM9n03oOTu5xmFGlBYmNDEUeASdpefNoPEatJQ3KA3zk/7ZSBU1ulisQyhaWu120hQ En/rfSqR5CRNGXnhds5Z9Tjl0F4h9g1vHYqU8LKElkZiuZ11GWPSoPudAJtp/e6l2dKYDocfC Jrql1lepZeLGvOJa8lj3MX+Llx/lPilFnYFwQtkdxWe9AlEqjtCUhm6/O+cvOAjwNDUO7pkdb sYlrnR136fjhvc4ayKU7lowsWMwHa4YXfZ7PUcPUp5p53rR6qMpHoT7uuqRBF8PQpHR8l3/Jo xs6yxR+t5dSx0Cr96EULZo3Mg4DXXXJwzGIsow3SNX1d0GZBEr5AYxjgd+cxzDUxED5o2Rcd6 s3/dMAbKJiBNOfFJN04SfdlaU4hxBRVXNLszjONubgozjBLuGNgxriOTx20yNygYDwi/mccBY vXLN0vRLO4NkNROGxO7Yh89EVnYSJDO6KvF9feMRuEGWznp9UwSmzIA8Dm5/Q1Rh1t83t1iQJ Vx2rZP0FwGZA+LJQjBLX6COnR6NZHK0qfMGO6NE8a/1AqbcHLgsRax/DUobcA1IrFCsWNSZvo Wbng5n+2rUq31VTahaEuY1zgFG8WdKVY4v8QG/pqhhU0NZuAqsiPqFR8ebzEXB9N8TeuYtRLz 2lgnu85Iv7i4Pm/Md6TVj9NMnL1YvQna1W7ZAJSgVZx+WsGcLULLPX7bSAdjCAOwPaiZyTxWb 4OCofuZs9Zg8iO56XmLShTMxanlfUbJm7KOoPuNCsr4yDmHJC1ysZCjbSmMNAt9yDYV4V3Up3 FslQGOH7GYKL7JMbeNBlGuMnkdttjWV/0ux4LMgD4B+EwPFI2SpuSeNGYOm6pOLEGZ9z0p/3E GsoLj2JWmQ+usONCStb7YlMUuo03a314CB7KNpXryWgGIXo/QBbBejg82cy4qmdAc80jF/Gpe jtGydT3sm9n/F9fNZu0lg0vHPKGv6u8TRI9TyfK9Ddsnmi0Mw5TWpBvhep7Co7xUXeYZV0A07 hhn4lRtbwzLExYXcmsxiFNKQNEHrEwyyGQ0eJS40ugDZW+N2CgZcqZQsRkQ4iuV3YNKp9qyyI rmSdg9wDvqFPLFazbJvn/rtmDWtL9JVWVICkKUVG4Hu0n/Eu3pgZ8IOfRP+qjSJuuqyLrD7YM HlNMaoHU9RJ6W44IjyJ49P7HsBDRbxYrJfPGdR3EBcYmAdDgO7Lk34Ev1JXZLsKK0HRxhuLa7 Pe2ToLVFKWML565cLxfevG5GAPx1QhrEVgLUmNAkJzSJO1E8krbwVRvpOqb15y7wHFZlX48C7 aRWMdu489z8GIfRNGn90vX7YO2VSuXDJg2EdkQwRAuOW3fyk7RERR/XdXJrLaOD3LChygplh3 hF9DlYu7iycGkRT7jhYPxpPjHn2CLFhEM2myk42BSS/X6YOUS9EKfjCRircvGLy/4D0NsWUOQ XqNyEdr70JMUg67d3vMbe7b9VEO9UGPThd9puZ04eyDRKc46pmpWlX/YZL87dRqRPymWqaL7K d9p4IRLBzykjsIVR8Y7ucOCMqQaAfiMLml5+xq/1T/dyPC27LTMdrFQp5062Vq04EB5uXxkN+ BoqBNYv8FXssA5AyzxiY9vSQPExqII/SyuD1UPXiq3zjc0GH8TGCNiwBI31FhXunpiRcPpGfT zD2Ebn6w8bNcNqP+1BRbxd6AOUCMkN3/AWmUmWojKcTYHMNjxa0b6H5t2rkxeQ36jK2aAK6AM yR7//rhr5m/hFsnAqsVuev0MXCafLqyVFpRqzpBn0oeLV83EQoI9smgxzMTVmylSjM7H3IILX 3ELJz0Qd2+Es2admSFzd1H2QBoMopro77aV4weaWR+qWqhCSiRhjPtf9+cPqZlAJmxdu1jw3m m+N+6AnN6gc8pXsNE5o8CAfNe4ShN5OgySV4okIaV51im3w3+mcLOwhU94qJBpPcH3Yf3Umjd zJO4vpKJ/BM706CumvkaI+Km6BjsR94SnGY74oZM+SDrEFCodHZ11u0pEpNoXUTcDeJd3l81H 3WV1C6gnvbq0L87GsZIb/m1884lYOQu5e2ZFK7AWJEDFSvo7FMdbr52ydEyc1RJvSaVEd0lyx V/iUnHJG+NPo+xZrvJ9I8CltOWvpsCYTN6FU7lHeOYHDZpopVfOW0WZNr9KUr9RPorI/MuC/R oYqmt79vgjOaY771LObPGMS+I4PNfX+UR2UXdp31xGdeuD+gdyZFCkIqZXHmqQF0vuNRm02XB raD4lLpqTj8xriDrYn6Qb2gdXd0J3bii4HMXoLTStHJmaGFQZrl0Y13F4QzWJDBjxhp6XQo/9 kRBxFP8QTjYjggiq021CVKg8UlXChcFMOi1i3zCdxREUdvdPfSZltQNZxRJnQSSjS5iZNi1jT Xa0Rk1AIDZMsK6dnlVaK+xJ1WnUnOUK4LKNzXiIoiGXqDxOdHDcNkXufv5hS++/h8tpEVAWqh 6RRiKcBnt3HxG2L9s+RNMrbXdPSpnHkZ1sioisPUwJgfRwOqEQouLZosHov0SLCgPQFt3mQ2N yMK5QHPinUwR5DH8O4fSZ67yngofQTzKsgNvIfHYDT6brycY/sQEB3H7Tl3SVSa6WWuf0xMzY MPeiXzsubdHImFAnikziL7NBU/1gW1CK7W21KaEsDrfKC38eTNV16b7r/NIBgzEwNucxDJKlw IQUtGKV3sx+i5yZMdFTJkJDM77RVGbfECJNWvWz49dg96duhPG5YZjrDCrCN0Gts0ciTXWJJS klMxox7anPKlpNSnBnNwfH7oGG0ZOOUW6U3b5wZBPrpinmFI7pQSJyZjW7k9kjB7w8LT8Nvqs tafKUKh1mIDpVv3l0+EpJL6DMFHB7F51AKwTCm8HqGk99uy/LYbmBcIS5rjYt3SDFniyFkPDq gbmzgayN8ZUNouxTL5RbmQsZFD66+PSQGcgwJhk9jBBUXJgrXIx2fTXkuYc09K93CziR4CEHc OTJM+9u2MSic/D+mMGCwwc03nmbI2JgJ82o6oIOTBG/jEoks2HeaD70yCaAH8Pwdz0IgvwYRt MqKl6xcm7HQ6m715r1FX2rnAOZGd13JEh/H5FPv2ZckWp6bWv3DX37KUGLXyL8JpgQrUAINk4 uq2H3wziJ9Sgff2yj9PHrA9lSjWSqiKG4GrruFVDHc9FKsAz1wyKkSZehILN2avIFLcVDDfxF mqUn/ulGL4ybu08SxOtK73r/U5daeICPFcbpTWm2JabBJ1SZiLFzj0pRi7y5pubg318dsgrDl 0mE7yP2YnQEi01JsZTF3ED8+K5J6Egvsm6DTvsXExzZEIT2xE5nlVpBfl36X9F6Z5YVY4AOa0 gHO+t8IzXgZR9AtWRPNNq2sc4ilDESzbL7etxffRui4CMWC2GI/WCJB8GCcE4au04h4uaMBV2 qOukEPDyuPtRKBE6wSet/UHLqo8y1wuzj7rbslypkSn8LYoV6MyYeIQ0eMYvRZ43uTzkQhys8 ECjTPjwBPPFJK1wZj+HumCcfbTV2FwFFsbKlRmyh4HBO6eSBurvBjh5oa3LlKRLLbnEq4Akgr oWdiMNoW+XHaMJXHRMVkO5ScE1lTtn62wJ2CoN+TM3d/1IQBnQKYvr0A47EKKsOqK3p5a+wiN XPteLYrTMs57IfsG4XFSTF0nU1WDdgCA/iEvV68iHrvzLk60nvy0Cd3ffUkmU7tOoDmdTyRHr I4AX+Ij/YgxBmcRnMLC+P5XYrtYKPYmzBDWy2gUEVO7tsWuAie3MN8pGycQ6oe2ZyryQJHK84 gSpjzAy52/IJnkpXGCbpT04U18laUI9UASnZPDFmAmpUyxM7pHdT2f2WZbltPZ++B0eiurwFf Sz8RMCtTdm1RpbFnG+lXGl+k2MiFVTksq9QqlQxt8yKLuJ+nt6npnuHF0pXoNACoKG7JxYm/D zbGnswHswDGKurtxrZijcaKEI2h3IQOrzw8hEi9dgwZBUimRUhOKs5hI/NhNw+/bDstNd1cDR UtDXRz9e8bjOWAFXO19g7StHCyWvn99b6aa4J0bpa2ttBLJhLQ8QsPbcwuRHz9iEP+Oz6/rYn 9wLdZ2VcaY7umY0bVKW0FJolRhnBX+CkzOoEtuBGyIpBxvpfv11/Amr4kxho3S3O23BJGhGNZ hXhntMyokJRDMjzBCIA6Bz0tblhVW/PNFn0NLxHW9aXbNt62Xjpi7RHtS8soiFq4I6wFrLhRE GfcGKfQIpUjNaL9RGhACO1fWtavj/fhc43FcaLquMIuBcYL5I6Y0ln7RiUHgNFd7TA6Jbm6OE JHIbpZ/urpuiRx46P88N7JLhYNfsPCZhjmLRkeM46EFwR3Z List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk Hi, On Fri, Jan 23, 2026 at 11:22:45PM +1300, Thomas Munro wrote: > The real recommendation of the paper was "don't use RADIUS/UDP at > all", and I don't want to expend energy writing a RADIUS/TLS client > for a hypothetical user, so I think we should just delete it all, and > stick a deprecation notice in the release branch documentation, as > attached. So you are saying we add a deprecation notice in the back branches and drop it in V19? If this is a severe security issue then maybe we can just remove it everywhere (ugh), or if not, I think it probably warrants at least one release cycle of deprecation. Do we have a formal deprecation timeline policy nowadays? Michael