Hello Jorge, thanks for your answer. Yes, there is a firewall and 7779 port is open. So from the proxy I can connect: telnet ww4.essalud.gob.pe 7779 Trying 200.89.11.23... Connected to ww4.essalud.gob.pe. Escape character is '^]'. -- Pedro 2010/8/16 Pedro Valera <p.valera@xxxxxxxxxxx>: > Hello Jorge, thanks for your answer. > > Yes, there is a firewall and 7779 port is open. So from the proxy I can connect: > > telnet ww4.essalud.gob.pe 7779 > Trying 200.89.11.23... > Connected to ww4.essalud.gob.pe. > Escape character is '^]'. > > -- > Pedro > > > > El día 16 de agosto de 2010 12:41, Jorge Armando Medina > <jmedina@xxxxxxxxxxxxxxx> escribió: >>>p3dRø< wrote: >>> Hello, >>> >>> I've installed squid in transparent mode with proxy port: 3128 >>> >>> I have problems, my client can not connect to page: >>> ww4.essalud.gob.pe:7779/acredita >>> >>> When I connect to that page without the squid, it's all ok. So the >>> problem is the Proxy. In /etc/squid/squid.conf is configured: >>> acl Safe_ports port 7779 >>> http_access deny CONNECT !Safe_ports >>> >>> The log send TCP_MISS/503 error: >>> TCP_MISS/503 0 CONNECT essalud.gob.pe:7779 >>> >>> What do you recommend to me to do ? >>> >> You get a 503 erro ( Service Unavailable). Can your squid box connect to >> that port? any firewall? >> >> Probably your upstream firewall is blocking that connection. >> >> You can test the connection using openssl client. >> >> Best regards. >>> -- >>> Pedro >>> >> >> >> -- >> Jorge Armando Medina >> Computación Gráfica de México >> Web: http://www.e-compugraf.com >> Tel: 55 51 40 72, Ext: 124 >> Email: jmedina@xxxxxxxxxxxxxxx >> GPG Key: 1024D/28E40632 2007-07-26 >> GPG Fingerprint: 59E2 0C7C F128 B550 B3A6 D3AF C574 8422 28E4 0632 >> >> >> >