GMail IPv6 IMAP Issue, or is it Just Me?
Is anyone else having issues reaching GMail on IPv6 via IMAP, or is it just me? Here's some of what I'm seeing: It responds to ping... imac01:~ branto$ ping6 imap.gmail.com PING6(56=40+8+8 bytes) 2001:470:8d30:b00c::bb0e --> 2607:f8b0:400d:c00::6c 16 bytes from 2607:f8b0:400d:c00::6c, icmp_seq=0 hlim=55 time=31.299 ms 16 bytes from 2607:f8b0:400d:c00::6c, icmp_seq=1 hlim=55 time=41.528 ms 16 bytes from 2607:f8b0:400d:c00::6c, icmp_seq=2 hlim=55 time=30.092 ms 16 bytes from 2607:f8b0:400d:c00::6c, icmp_seq=3 hlim=55 time=35.450 ms ^C --- gmail-imap.l.google.com ping6 statistics --- 4 packets transmitted, 4 packets received, 0.0% packet loss round-trip min/avg/max/std-dev = 30.092/34.592/41.528/4.470 ms TCP Sessions on v6 seem to time-out: imac01:~ branto$ telnet -6 imap.gmail.com 993 Trying 2607:f8b0:400d:c01::6c... telnet: connect to address 2607:f8b0:400d:c01::6c: Operation timed out telnet: Unable to connect to remote host IPv4 Connects: imac01:~ branto$ telnet -4 imap.gmail.com 993 Trying 173.194.76.108... Connected to gmail-imap.l.google.com. Escape character is '^]'. ^] telnet> close Connection closed. and other connectivity via IPv6 works: imac01:~ branto$ telnet -6 www.google.com 80 Trying 2607:f8b0:400c:c04::68... Connected to www.google.com. Escape character is '^]'. GET / HTTP/1.0 200 OK Date: Sat, 01 Jun 2013 17:08:58 GMT <snip> Connection closed by foreign host. I've tried flushing my dnscache to make sure I'm not holding on to something that's not valid, but no dice. -Brant
IDK, But I get NXDOMAIN upon lookup of imap. But have all my clients using mail.google.com for imaps. I get ipv6 on 2607:f8b0:4009:802::1015 -- Jason Hellenthal Inbox: jhellenthal@DataIX.net Voice: +1 (616) 953-0176 JJH48-ARIN On Jun 1, 2013, at 13:53, "Stevens, Brant I." <branto@argentiumsolutions.com> wrote:
Is anyone else having issues reaching GMail on IPv6 via IMAP, or is it just me?
Here's some of what I'm seeing:
It responds to ping...
imac01:~ branto$ ping6 imap.gmail.com PING6(56=40+8+8 bytes) 2001:470:8d30:b00c::bb0e --> 2607:f8b0:400d:c00::6c 16 bytes from 2607:f8b0:400d:c00::6c, icmp_seq=0 hlim=55 time=31.299 ms 16 bytes from 2607:f8b0:400d:c00::6c, icmp_seq=1 hlim=55 time=41.528 ms 16 bytes from 2607:f8b0:400d:c00::6c, icmp_seq=2 hlim=55 time=30.092 ms 16 bytes from 2607:f8b0:400d:c00::6c, icmp_seq=3 hlim=55 time=35.450 ms ^C --- gmail-imap.l.google.com ping6 statistics --- 4 packets transmitted, 4 packets received, 0.0% packet loss round-trip min/avg/max/std-dev = 30.092/34.592/41.528/4.470 ms
TCP Sessions on v6 seem to time-out:
imac01:~ branto$ telnet -6 imap.gmail.com 993 Trying 2607:f8b0:400d:c01::6c... telnet: connect to address 2607:f8b0:400d:c01::6c: Operation timed out telnet: Unable to connect to remote host
IPv4 Connects:
imac01:~ branto$ telnet -4 imap.gmail.com 993 Trying 173.194.76.108... Connected to gmail-imap.l.google.com. Escape character is '^]'.
^] telnet> close Connection closed.
and other connectivity via IPv6 works:
imac01:~ branto$ telnet -6 www.google.com 80 Trying 2607:f8b0:400c:c04::68... Connected to www.google.com. Escape character is '^]'.
GET / HTTP/1.0 200 OK Date: Sat, 01 Jun 2013 17:08:58 GMT
<snip>
Connection closed by foreign host.
I've tried flushing my dnscache to make sure I'm not holding on to something that's not valid, but no dice.
-Brant
It works to me, a different one by the way: telnet -6 imap.gmail.com 993 Trying 2607:f8b0:400c:c01::6c... Connected to gmail-imap.l.google.com. Escape character is '^]'. ] ^] telnet> q Connection closed. The same one, works too: telnet 2607:f8b0:400d:c00::6c 993 Trying 2607:f8b0:400d:c00::6c... Connected to qa-in-x6c.1e100.net. Escape character is '^]'. ^] telnet> q Connection closed. Regards, as On 6/1/13 2:53 PM, Stevens, Brant I. wrote:
Is anyone else having issues reaching GMail on IPv6 via IMAP, or is it just me?
Here's some of what I'm seeing:
It responds to ping...
imac01:~ branto$ ping6 imap.gmail.com PING6(56=40+8+8 bytes) 2001:470:8d30:b00c::bb0e --> 2607:f8b0:400d:c00::6c 16 bytes from 2607:f8b0:400d:c00::6c, icmp_seq=0 hlim=55 time=31.299 ms 16 bytes from 2607:f8b0:400d:c00::6c, icmp_seq=1 hlim=55 time=41.528 ms 16 bytes from 2607:f8b0:400d:c00::6c, icmp_seq=2 hlim=55 time=30.092 ms 16 bytes from 2607:f8b0:400d:c00::6c, icmp_seq=3 hlim=55 time=35.450 ms ^C --- gmail-imap.l.google.com ping6 statistics --- 4 packets transmitted, 4 packets received, 0.0% packet loss round-trip min/avg/max/std-dev = 30.092/34.592/41.528/4.470 ms
TCP Sessions on v6 seem to time-out:
imac01:~ branto$ telnet -6 imap.gmail.com 993 Trying 2607:f8b0:400d:c01::6c... telnet: connect to address 2607:f8b0:400d:c01::6c: Operation timed out telnet: Unable to connect to remote host
IPv4 Connects:
imac01:~ branto$ telnet -4 imap.gmail.com 993 Trying 173.194.76.108... Connected to gmail-imap.l.google.com. Escape character is '^]'.
^] telnet> close Connection closed.
and other connectivity via IPv6 works:
imac01:~ branto$ telnet -6 www.google.com 80 Trying 2607:f8b0:400c:c04::68... Connected to www.google.com. Escape character is '^]'.
GET / HTTP/1.0 200 OK Date: Sat, 01 Jun 2013 17:08:58 GMT
<snip>
Connection closed by foreign host.
I've tried flushing my dnscache to make sure I'm not holding on to something that's not valid, but no dice.
-Brant
On 6/1/2013 1:53 PM, Stevens, Brant I. wrote:
Is anyone else having issues reaching GMail on IPv6 via IMAP, or is it just me?
imac01:~ branto$ telnet -6 imap.gmail.com 993 Trying 2607:f8b0:400d:c01::6c... telnet: connect to address 2607:f8b0:400d:c01::6c: Operation timed out telnet: Unable to connect to remote host
Looks ok for me via Toronto, Ont, Canada 0(marble)% host imap.gmail.com imap.gmail.com is an alias for gmail-imap.l.google.com. gmail-imap.l.google.com has address 74.125.142.108 gmail-imap.l.google.com has address 74.125.142.109 gmail-imap.l.google.com has IPv6 address 2607:f8b0:4003:c01::6c 0(marble)% % traceroute6 -q1 2607:f8b0:4003:c01::6c traceroute6 to 2607:f8b0:4003:c01::6c (2607:f8b0:4003:c01::6c) from 2607:f3e0::2, 64 hops max, 12 byte packets 1 iolite4-6 0.560 ms 2 toronto-torix-6 4.678 ms 3 he.ip6.torontointernetxchange.net 3.793 ms 4 2001:478:245:1::6 5.810 ms 5 2001:4860::1:0:e38 3.471 ms 6 2001:4860::8:0:2fe9 16.342 ms 7 2001:4860::8:0:29ee 31.341 ms 8 2001:4860::2:0:95e 31.340 ms 9 * 10 ob-in-x6c.1e100.net 30.584 ms 1(marble)% openssl s_client -host imap.gmail.com -port 993 CONNECTED(00000003) depth=1 /C=US/O=Google Inc/CN=Google Internet Authority verify error:num=20:unable to get local issuer certificate verify return:0 --- Certificate chain 0 s:/C=US/ST=California/L=Mountain View/O=Google Inc/CN=imap.gmail.com i:/C=US/O=Google Inc/CN=Google Internet Authority 1 s:/C=US/O=Google Inc/CN=Google Internet Authority i:/C=US/O=Equifax/OU=Equifax Secure Certificate Authority --- Server certificate -----BEGIN CERTIFICATE----- MIIDgDCCAumgAwIBAgIKVEsbtQABAACELjANBgkqhkiG9w0BAQUFADBGMQswCQYD VQQGEwJVUzETMBEGA1UEChMKR29vZ2xlIEluYzEiMCAGA1UEAxMZR29vZ2xlIElu dGVybmV0IEF1dGhvcml0eTAeFw0xMzA0MTUwODQ0MDBaFw0xMzEyMzExNTU4NTBa MGgxCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpDYWxpZm9ybmlhMRYwFAYDVQQHEw1N b3VudGFpbiBWaWV3MRMwEQYDVQQKEwpHb29nbGUgSW5jMRcwFQYDVQQDEw5pbWFw LmdtYWlsLmNvbTCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEA3a/wUjZBSOgZ EeyRqaSaKEwS8+1y/8AK9HdplSR72PU+iBc7HyA4aXgD6XYEJVoyGsO97nMj+oeN 2iNvKfkPvTrn2YnQfJLuxpEw9gwIHvwVqy3TNpHwt4DHnxOg5CxV8e7PaCAhAXD+ uj0H09aVFJmfYDnU0VSSukNJX2MZSJUCAwEAAaOCAVEwggFNMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAdBgNVHQ4EFgQUY9A6EExy3NNFBc2R0vrY8lpf OB8wHwYDVR0jBBgwFoAUv8Aw6/VDET5nup6R+/xq2uNrEiQwWwYDVR0fBFQwUjBQ oE6gTIZKaHR0cDovL3d3dy5nc3RhdGljLmNvbS9Hb29nbGVJbnRlcm5ldEF1dGhv cml0eS9Hb29nbGVJbnRlcm5ldEF1dGhvcml0eS5jcmwwZgYIKwYBBQUHAQEEWjBY MFYGCCsGAQUFBzAChkpodHRwOi8vd3d3LmdzdGF0aWMuY29tL0dvb2dsZUludGVy bmV0QXV0aG9yaXR5L0dvb2dsZUludGVybmV0QXV0aG9yaXR5LmNydDAMBgNVHRMB Af8EAjAAMBkGA1UdEQQSMBCCDmltYXAuZ21haWwuY29tMA0GCSqGSIb3DQEBBQUA A4GBAAcrDCcXCKZ2VNcJv31SSXTKs1AH0sU1lvAB0kzy3mIB/H8UHvMz1+T3Lfmy 68bqBSM97W6MO6UiqmVvbMhwPBrktUVT/Q4cWskVf2MONrW3g0UtX47L1ocs/WZe XdUTkjQ3EFCzxpw4joHefndfZHsEn0VrjZR49kzR9+1Me7Rz -----END CERTIFICATE----- subject=/C=US/ST=California/L=Mountain View/O=Google Inc/CN=imap.gmail.com issuer=/C=US/O=Google Inc/CN=Google Internet Authority --- No client certificate CA names sent --- SSL handshake has read 1752 bytes and written 325 bytes --- New, TLSv1/SSLv3, Cipher is RC4-SHA Server public key is 1024 bit Secure Renegotiation IS supported Compression: NONE Expansion: NONE SSL-Session: Protocol : TLSv1 Cipher : RC4-SHA Session-ID: 881124D0017ADA0B7D8CEB26ECBCBCF86AF8A593600858D165164A17B2C0C652 Session-ID-ctx: Master-Key: 667BDFF99C7FE7733C8CB36FE2F73C76380DE2AC9453A0D3D621E39CE64EC1259BC8AB8FE65C425E15BCA467B80FD274 Key-Arg : None Start Time: 1370137039 Timeout : 300 (sec) Verify return code: 20 (unable to get local issuer certificate) --- * OK Gimap ready for requests from 199.212.134.2 bj1if1491559oac.162 ^C 1(marble)% -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/
It started flowing shortly after I sent the initial message... Thanks to all who answered.
Mike Tancsa <mailto:mike@sentex.net> June 1, 2013 9:43 PM
Looks ok for me via Toronto, Ont, Canada
0(marble)% host imap.gmail.com imap.gmail.com is an alias for gmail-imap.l.google.com. gmail-imap.l.google.com has address 74.125.142.108 gmail-imap.l.google.com has address 74.125.142.109 gmail-imap.l.google.com has IPv6 address 2607:f8b0:4003:c01::6c 0(marble)%
% traceroute6 -q1 2607:f8b0:4003:c01::6c traceroute6 to 2607:f8b0:4003:c01::6c (2607:f8b0:4003:c01::6c) from 2607:f3e0::2, 64 hops max, 12 byte packets 1 iolite4-6 0.560 ms 2 toronto-torix-6 4.678 ms 3 he.ip6.torontointernetxchange.net 3.793 ms 4 2001:478:245:1::6 5.810 ms 5 2001:4860::1:0:e38 3.471 ms 6 2001:4860::8:0:2fe9 16.342 ms 7 2001:4860::8:0:29ee 31.341 ms 8 2001:4860::2:0:95e 31.340 ms 9 * 10 ob-in-x6c.1e100.net 30.584 ms
1(marble)% openssl s_client -host imap.gmail.com -port 993 CONNECTED(00000003) depth=1 /C=US/O=Google Inc/CN=Google Internet Authority verify error:num=20:unable to get local issuer certificate verify return:0 --- Certificate chain 0 s:/C=US/ST=California/L=Mountain View/O=Google Inc/CN=imap.gmail.com i:/C=US/O=Google Inc/CN=Google Internet Authority 1 s:/C=US/O=Google Inc/CN=Google Internet Authority i:/C=US/O=Equifax/OU=Equifax Secure Certificate Authority --- Server certificate -----BEGIN CERTIFICATE----- MIIDgDCCAumgAwIBAgIKVEsbtQABAACELjANBgkqhkiG9w0BAQUFADBGMQswCQYD VQQGEwJVUzETMBEGA1UEChMKR29vZ2xlIEluYzEiMCAGA1UEAxMZR29vZ2xlIElu dGVybmV0IEF1dGhvcml0eTAeFw0xMzA0MTUwODQ0MDBaFw0xMzEyMzExNTU4NTBa MGgxCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpDYWxpZm9ybmlhMRYwFAYDVQQHEw1N b3VudGFpbiBWaWV3MRMwEQYDVQQKEwpHb29nbGUgSW5jMRcwFQYDVQQDEw5pbWFw LmdtYWlsLmNvbTCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEA3a/wUjZBSOgZ EeyRqaSaKEwS8+1y/8AK9HdplSR72PU+iBc7HyA4aXgD6XYEJVoyGsO97nMj+oeN 2iNvKfkPvTrn2YnQfJLuxpEw9gwIHvwVqy3TNpHwt4DHnxOg5CxV8e7PaCAhAXD+ uj0H09aVFJmfYDnU0VSSukNJX2MZSJUCAwEAAaOCAVEwggFNMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAdBgNVHQ4EFgQUY9A6EExy3NNFBc2R0vrY8lpf OB8wHwYDVR0jBBgwFoAUv8Aw6/VDET5nup6R+/xq2uNrEiQwWwYDVR0fBFQwUjBQ oE6gTIZKaHR0cDovL3d3dy5nc3RhdGljLmNvbS9Hb29nbGVJbnRlcm5ldEF1dGhv cml0eS9Hb29nbGVJbnRlcm5ldEF1dGhvcml0eS5jcmwwZgYIKwYBBQUHAQEEWjBY MFYGCCsGAQUFBzAChkpodHRwOi8vd3d3LmdzdGF0aWMuY29tL0dvb2dsZUludGVy bmV0QXV0aG9yaXR5L0dvb2dsZUludGVybmV0QXV0aG9yaXR5LmNydDAMBgNVHRMB Af8EAjAAMBkGA1UdEQQSMBCCDmltYXAuZ21haWwuY29tMA0GCSqGSIb3DQEBBQUA A4GBAAcrDCcXCKZ2VNcJv31SSXTKs1AH0sU1lvAB0kzy3mIB/H8UHvMz1+T3Lfmy 68bqBSM97W6MO6UiqmVvbMhwPBrktUVT/Q4cWskVf2MONrW3g0UtX47L1ocs/WZe XdUTkjQ3EFCzxpw4joHefndfZHsEn0VrjZR49kzR9+1Me7Rz -----END CERTIFICATE----- subject=/C=US/ST=California/L=Mountain View/O=Google Inc/CN=imap.gmail.com issuer=/C=US/O=Google Inc/CN=Google Internet Authority --- No client certificate CA names sent --- SSL handshake has read 1752 bytes and written 325 bytes --- New, TLSv1/SSLv3, Cipher is RC4-SHA Server public key is 1024 bit Secure Renegotiation IS supported Compression: NONE Expansion: NONE SSL-Session: Protocol : TLSv1 Cipher : RC4-SHA Session-ID: 881124D0017ADA0B7D8CEB26ECBCBCF86AF8A593600858D165164A17B2C0C652 Session-ID-ctx: Master-Key: 667BDFF99C7FE7733C8CB36FE2F73C76380DE2AC9453A0D3D621E39CE64EC1259BC8AB8FE65C425E15BCA467B80FD274 Key-Arg : None Start Time: 1370137039 Timeout : 300 (sec) Verify return code: 20 (unable to get local issuer certificate) --- * OK Gimap ready for requests from 199.212.134.2 bj1if1491559oac.162 ^C 1(marble)% Stevens, Brant I. <mailto:branto@argentiumsolutions.com> June 1, 2013 1:53 PM Is anyone else having issues reaching GMail on IPv6 via IMAP, or is it just me?
Here's some of what I'm seeing:
It responds to ping...
imac01:~ branto$ ping6 imap.gmail.com PING6(56=40+8+8 bytes) 2001:470:8d30:b00c::bb0e --> 2607:f8b0:400d:c00::6c 16 bytes from 2607:f8b0:400d:c00::6c, icmp_seq=0 hlim=55 time=31.299 ms 16 bytes from 2607:f8b0:400d:c00::6c, icmp_seq=1 hlim=55 time=41.528 ms 16 bytes from 2607:f8b0:400d:c00::6c, icmp_seq=2 hlim=55 time=30.092 ms 16 bytes from 2607:f8b0:400d:c00::6c, icmp_seq=3 hlim=55 time=35.450 ms ^C --- gmail-imap.l.google.com ping6 statistics --- 4 packets transmitted, 4 packets received, 0.0% packet loss round-trip min/avg/max/std-dev = 30.092/34.592/41.528/4.470 ms
TCP Sessions on v6 seem to time-out:
imac01:~ branto$ telnet -6 imap.gmail.com 993 Trying 2607:f8b0:400d:c01::6c... telnet: connect to address 2607:f8b0:400d:c01::6c: Operation timed out telnet: Unable to connect to remote host
IPv4 Connects:
imac01:~ branto$ telnet -4 imap.gmail.com 993 Trying 173.194.76.108... Connected to gmail-imap.l.google.com. Escape character is '^]'.
^] telnet> close Connection closed.
and other connectivity via IPv6 works:
imac01:~ branto$ telnet -6 www.google.com 80 Trying 2607:f8b0:400c:c04::68... Connected to www.google.com. Escape character is '^]'.
GET / HTTP/1.0 200 OK Date: Sat, 01 Jun 2013 17:08:58 GMT
<snip>
Connection closed by foreign host.
I've tried flushing my dnscache to make sure I'm not holding on to something that's not valid, but no dice.
-Brant
participants (5)
-
Arturo Servin -
Brant Ian Stevens -
Jason Hellenthal -
Mike Tancsa -
Stevens, Brant I.