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[89.20.184.17]) by smtp.gmail.com with ESMTPSA id q124sm31438793wma.5.2019.10.22.00.39.34 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 22 Oct 2019 00:39:35 -0700 (PDT) From: adrian.van.de.ven@sentia.com X-Google-Original-From: bluuurgh@gmail.com Subject: Re: Let's Encrypt To: Leif Pedersen , Garrett Wollman Cc: freebsd-security@freebsd.org, Victor Sudakov References: <20190908145835.GA67269@admin.sibptus.ru> <20190909090605.GA97856@admin.sibptus.ru> <20190910005231.GA23163@admin.sibptus.ru> <23927.10.5222.629103@hergotha.csail.mit.edu> Message-ID: Date: Tue, 22 Oct 2019 09:39:34 +0200 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-GB X-Rspamd-Queue-Id: 46y54T6183z4Qy7 X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=sentia-com.20150623.gappssmtp.com header.s=20150623 header.b=VYHKi6Sb; dmarc=pass (policy=none) header.from=sentia.com; spf=pass (mx1.freebsd.org: domain of adrian.van.de.ven@sentia.com designates 2a00:1450:4864:20::433 as permitted sender) smtp.mailfrom=adrian.van.de.ven@sentia.com X-Spamd-Result: default: False [-4.80 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_DKIM_ALLOW(-0.20)[sentia-com.20150623.gappssmtp.com:s=20150623]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; RCPT_COUNT_THREE(0.00)[4]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-security@freebsd.org]; URI_COUNT_ODD(1.00)[3]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[sentia-com.20150623.gappssmtp.com:+]; DMARC_POLICY_ALLOW(-0.50)[sentia.com,none]; RCVD_IN_DNSWL_NONE(0.00)[3.3.4.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.5.4.1.0.0.a.2.list.dnswl.org : 127.0.5.0]; FROM_NO_DN(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; IP_SCORE(-2.81)[ip: (-9.09), ipnet: 2a00:1450::/32(-2.81), asn: 15169(-2.07), country: US(-0.05)]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_TLS_ALL(0.00)[] X-Mailman-Approved-At: Thu, 24 Oct 2019 23:37:40 +0000 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-security@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Security issues \[members-only posting\]" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 Oct 2019 07:39:39 -0000 On 13/10/2019 19:52, Leif Pedersen wrote: > On Sat, Oct 12, 2019 at 6:28 PM Garrett Wollman > wrote: > >> < >> said: >> >>> Trond Endrestøl wrote: >>>> #minute hour mday month wday who command >>>> >>>> 52 4 1 * * root certbot renew --quiet >> --pre-hook "service apache24 stop" --post-hook "service apache24 start" >>>> 52 1 15 * * root certbot renew --quiet >> --pre-hook "service apache24 stop" --post-hook "service apache24 start" >> >>> Is it safe to run certbot as root? >> I can't speak to certbot (I currently use acmetool) but in general, >> the thing that certbot does requires the ability to signal whatever >> process is using the certificates, which is normally going to be a web >> server but might be a mail server, name server, RADIUS server, or some >> other application -- as shown in the example above. So if you don't >> run it as root (probably smart) you'll need to find another way to >> tell the TLS server application to reload its certificates when >> needed. >> >> -GAWollman >> > A good point. One option might be to run two cron jobs. One job would run > certbot as an unprivileged user, and the other would run "service apache24 > restart" as root an hour or so later. (Or maybe reload is enough.) > _______________________________________________ > freebsd-security@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-security > To unsubscribe, send any mail to "freebsd-security-unsubscribe@freebsd.org" Or something like this. Check if there are new certs and if so do something with them: #!/usr/local/bin/bash if [[ -n $(/usr/bin/find /usr/local/etc/dehydrated/rsa/ -mtime -1h -type f) ]] then   /usr/bin/awk '{print $1}' /usr/local/etc/dehydrated/domains.txt | \   while read a ; \     do       # Copy certs for HAproxy       /bin/cat /usr/local/etc/dehydrated/rsa/"$a"/cert.pem \       /usr/local/etc/dehydrated/rsa/"$a"/privkey.pem \       /usr/local/etc/dehydrated/rsa/"$a"/chain.pem \       /usr/local/etc/ssl/dhparams.pem > \       /usr/local/etc/ssl/haproxy/"$a".pem.rsa       /bin/chmod 600 /usr/local/etc/ssl/haproxy/"$a".pem.rsa       /bin/cp /usr/local/etc/dehydrated/rsa/"$a"/chain.pem /usr/local/etc/ssl/haproxy/"$a".pem.rsa.issuer       # Copy certs for HAproxy, this time the ECDSA stuff       /bin/cat /usr/local/etc/dehydrated/ecdsa/"$a"/cert.pem \       /usr/local/etc/dehydrated/ecdsa/"$a"/privkey.pem \       /usr/local/etc/dehydrated/ecdsa/"$a"/chain.pem \       /usr/local/etc/ssl/dhparams.pem > \       /usr/local/etc/ssl/haproxy/"$a".pem.ecdsa       /bin/chmod 600 /usr/local/etc/ssl/haproxy/"$a".pem.ecdsa       /bin/cp /usr/local/etc/dehydrated/ecdsa/"$a"/chain.pem /usr/local/etc/ssl/haproxy/"$a".pem.ecdsa.issuer   done # Some standard stuff for configs with fixed cert names   /bin/cp /usr/local/etc/dehydrated/rsa/`hostname`/cert.pem /usr/local/etc/ssl/syslog-ng/   /bin/cp /usr/local/etc/dehydrated/rsa/`hostname`/privkey.pem /usr/local/etc/ssl/syslog-ng/   /bin/cp /usr/local/etc/dehydrated/rsa/`hostname`/fullchain.pem /usr/local/etc/ssl/syslog-ng/   /bin/cp /usr/local/etc/dehydrated/rsa/`hostname`/chain.pem /usr/local/etc/ssl/syslog-ng/   /usr/local/bin/c_rehash /usr/local/etc/ssl/syslog-ng/ # Restart services   /usr/bin/killall haproxy   /usr/local/etc/rc.d/haproxy restart   /usr/local/etc/rc.d/syslog-ng restart   /usr/local/etc/rc.d/postfix restart fi