On 1/25/19 3:29 AM, Troiano Alessio wrote: > I need to definitively solve the ipv6 (un)reachbility issue. You can * build Squid with --disable-ipv6 * try an experimental (and unofficial) Squid branch that implements the TCP part of the Happy Eyeballs algorithm: https://github.com/measurement-factory/squid/pull/3 Alex. > I state I read this topic: > http://squid-web-proxy-cache.1019090.n4.nabble.com/dns-v4-first-on-ignored-td4658427.html > but not found a solution. Amos wrote “Squid tests for IPv6 ability > automatically by opening a socket on a private IP address, if that works > the socket options are noted and used.” > > Anyway I disable IPv6 on my Red Hat 7.4 with the following: > > net.ipv6.conf.all.disable_ipv6 = 1 > > net.ipv6.conf.default.disable_ipv6 = 1 > > net.ipv6.conf.bond0.disable_ipv6 = 1 > > net.ipv6.conf.lo.disable_ipv6 = 1 > > Used the “dns_v4_first on” and also “tcp_outgoing_address 172.31.1.x > all” on squid conf to force the use of IPv4. > > Anyway squid try to connect to the IPv6 address instead of IPv4 and I’m > not able to reach it: > > C:\Users\atroiano>nslookup download.pdfforge.org > > Server: espevmdxxxx.xxxx.prv > > Address: 172.x.x.x > > > > Risposta da un server non autorevole: > > Nome: download.pdfforge.org > > Addresses: 2001:4860:4802:38::15 > > 2001:4860:4802:34::15 > > 2001:4860:4802:32::15 > > 2001:4860:4802:36::15 > > 216.239.32.21 > > 216.239.38.21 > > 216.239.36.21 > > 216.239.34.21 > > [root@HUB-RM-PRX-03 ~]# tail -f /var/log/squid/rsa/access.log | grep > pdfforge.org > > %SQUID-4: 172.31.x.x 49444 [25/Jan/2019:11:02:58 +0100] "GET > http://download.pdfforge.org/download/pdfcreator/PDFCreator-stable > HTTP/1.1" download.pdfforge.org - - > "/download/pdfcreator/PDFCreator-stable" 503 text/html 4545 "-" > "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:64.0) Gecko/20100101 > Firefox/64.0" TCP_MISS:HIER_DIRECT 2001:4860:4802:38::15 80 0 > > Squid doesn’t try to connect to IPv4 addresses for this site and for > many others. > > > > What can I do? > > My ISP is IPv4 only. > > > > Thank you, Regards. > > > Il presente messaggio e-mail e ogni suo allegato devono intendersi > indirizzati esclusivamente al destinatario indicato e considerarsi dal > contenuto strettamente riservato e confidenziale. Se non siete > l'effettivo destinatario o avete ricevuto il messaggio e-mail per > errore, siete pregati di avvertire immediatamente il mittente e di > cancellare il suddetto messaggio e ogni suo allegato dal vostro sistema > informatico. Qualsiasi utilizzo, diffusione, copia o archiviazione del > presente messaggio da parte di chi non ne è il destinatario è > strettamente proibito e può dar luogo a responsabilità di carattere > civile e penale punibili ai sensi di legge. > Questa e-mail ha valore legale solo se firmata digitalmente ai sensi > della normativa vigente. > ------------------------------------------------------------------------ > The contents of this email message and any attachments are intended > solely for the addressee(s) and contain confidential and/or privileged > information. > If you are not the intended recipient of this message, or if this > message has been addressed to you in error, please immediately notify > the sender and then delete this message and any attachments from your > system. If you are not the intended recipient, you are hereby notified > that any use, dissemination, copying, or storage of this message or its > attachments is strictly prohibited. Unauthorized disclosure and/or use > of information contained in this email message may result in civil and > criminal liability. “ > This e-mail has legal value according to the applicable laws only if it > is digitally signed by the sender > > _______________________________________________ > squid-users mailing list > squid-users@xxxxxxxxxxxxxxxxxxxxx > http://lists.squid-cache.org/listinfo/squid-users > _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users
