Hi all, There seems to be a configuration problem or other issue with the SSL on summit.debconf.org, none of wget, curl, evolution or openssl s_client can open the site, old/new Iceweasel profiles as well as Tor Browser can though. OpenSSL seems to think there is a self signed certificate in the certificate chain.
pabs@chianamo ~ $ wget https://summit.debconf.org/ --2016-02-11 08:33:33-- https://summit.debconf.org/ Resolving summit.debconf.org (summit.debconf.org)... 46.43.39.194, 2001:41c8:134:194::42 Connecting to summit.debconf.org (summit.debconf.org)|46.43.39.194|:443... connected. ERROR: The certificate of ‘summit.debconf.org’ is not trusted. ERROR: The certificate of ‘summit.debconf.org’ hasn't got a known issuer. pabs@chianamo ~ $ curl https://summit.debconf.org/ curl: (60) server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none More details here: http://curl.haxx.se/docs/sslcerts.html curl performs SSL certificate verification by default, using a "bundle" of Certificate Authority (CA) public keys (CA certs). If the default bundle file isn't adequate, you can specify an alternate file using the --cacert option. If this HTTPS server uses a certificate signed by a CA represented in the bundle, the certificate verification probably failed due to a problem with the certificate (it might be expired, or the name might not match the domain name in the URL). If you'd like to turn off curl's verification of the certificate, use the -k (or --insecure) option. pabs@chianamo ~ $ openssl s_client -showcerts -connect summit.debconf.org:443 -servername summit.debconf.org < /dev/null 2>&1 CONNECTED(00000003) depth=2 C = US, O = Internet Security Research Group, CN = ISRG Root X1 verify error:num=19:self signed certificate in certificate chain --- Certificate chain 0 s:/CN=summit.debconf.org i:/C=US/O=Let's Encrypt/CN=Let's Encrypt Authority X1 -----BEGIN CERTIFICATE----- MIIGCDCCBPCgAwIBAgISATh5EABBxNc8X2UblucD147ZMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMTAeFw0xNjAxMzAxMzE0MDBaFw0x NjA0MjkxMzE0MDBaMB0xGzAZBgNVBAMTEnN1bW1pdC5kZWJjb25mLm9yZzCCAiIw DQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAM/3ZFPZ/eR9aL31AHpfQryHFDo/ kS3Rm5s4hfDB9AdiEqJfnesAOVcVUNM8cJF4SzBhEyF42t/Nju6RsjAAJOtA85xS e0lyW64Vh4uDRAu0OsoPCi8p7lzWbUDMxXe/SM4uE5KELxCcMKczgbJWOx2M2m7p 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i:/O=Digital Signature Trust Co./CN=DST Root CA X3 -----BEGIN CERTIFICATE----- MIIEqDCCA5CgAwIBAgIRAJgT9HUT5XULQ+dDHpceRL0wDQYJKoZIhvcNAQELBQAw PzEkMCIGA1UEChMbRGlnaXRhbCBTaWduYXR1cmUgVHJ1c3QgQ28uMRcwFQYDVQQD Ew5EU1QgUm9vdCBDQSBYMzAeFw0xNTEwMTkyMjMzMzZaFw0yMDEwMTkyMjMzMzZa MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMTCCASIwDQYJKoZIhvcNAQEBBQAD ggEPADCCAQoCggEBAJzTDPBa5S5Ht3JdN4OzaGMw6tc1Jhkl4b2+NfFwki+3uEtB BaupnjUIWOyxKsRohwuj43Xk5vOnYnG6eYFgH9eRmp/z0HhncchpDpWRz/7mmelg PEjMfspNdxIknUcbWuu57B43ABycrHunBerOSuu9QeU2mLnL/W08lmjfIypCkAyG dGfIf6WauFJhFBM/ZemCh8vb+g5W9oaJ84U/l4avsNwa72sNlRZ9xCugZbKZBDZ1 gGusSvMbkEl4L6KWTyogJSkExnTA0DHNjzE4lRa6qDO4Q/GxH8Mwf6J5MRM9LTb4 4/zyM2q5OTHFr8SNDR1kFjOq+oQpttQLwNh9w5MCAwEAAaOCAZIwggGOMBIGA1Ud EwEB/wQIMAYBAf8CAQAwDgYDVR0PAQH/BAQDAgGGMH8GCCsGAQUFBwEBBHMwcTAy BggrBgEFBQcwAYYmaHR0cDovL2lzcmcudHJ1c3RpZC5vY3NwLmlkZW50cnVzdC5j b20wOwYIKwYBBQUHMAKGL2h0dHA6Ly9hcHBzLmlkZW50cnVzdC5jb20vcm9vdHMv 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written 468 bytes --- New, TLSv1/SSLv3, Cipher is ECDHE-RSA-AES256-GCM-SHA384 Server public key is 4096 bit Secure Renegotiation IS supported Compression: NONE Expansion: NONE No ALPN negotiated SSL-Session: Protocol : TLSv1.2 Cipher : ECDHE-RSA-AES256-GCM-SHA384 Session-ID: 22FA3217B14A63E7F42504CFA2058DD16C7B866E8E7E12089250C428BE588725 Session-ID-ctx: Master-Key: FD5FD98CA0754ECC24E15BC38A2E652ACF2FFE044ECAB681823753F995691C64F3D5E6A7A5311E63EB1E7FF2BAD9740B Key-Arg : None PSK identity: None PSK identity hint: None SRP username: None TLS session ticket lifetime hint: 300 (seconds) TLS session ticket: 0000 - 32 22 6f 26 38 51 24 6a-48 0d 5b 11 ab d8 2e 7a 2"o&8Q$jH.[....z 0010 - c9 5d 44 81 ac 81 12 e1-d0 a0 dc 87 c1 72 cf dc .]D..........r.. 0020 - ec 14 fb 16 d8 ce 3b a9-c6 c1 5b 14 bc 05 8b 3b ......;...[....; 0030 - 95 76 49 62 d1 4e 18 d2-b1 75 de 98 41 da 12 e7 .vIb.N...u..A... 0040 - 96 9e 1a 2d 93 eb a5 96-ac 83 96 eb 69 4d e2 2b ...-........iM.+ 0050 - f6 c5 0b 4f 1a 27 cc c7-78 af cf cb 28 45 f5 43 ...O.'..x...(E.C 0060 - 0f 6b 17 55 b5 5e 91 13-cd 2b 98 69 94 2d 4d c8 .k.U.^...+.i.-M. 0070 - 12 21 e3 0d 76 f2 8f ae-4f 73 6b 1a 4b 86 92 8d .!..v...Osk.K... 0080 - 94 dd 3e bc 41 91 c3 81-c9 f6 52 bb 36 b6 9f 78 ..>.A.....R.6..x 0090 - 0a 9a 8b 94 65 94 bd 61-d1 48 17 a3 47 20 54 be ....e..a.H..G T. 00a0 - ce dd 96 a6 27 f7 31 b4-8d 4d 5f f3 3e 44 a3 e5 ....'.1..M_.>D.. 00b0 - fb 9f da 61 b1 1c 77 af-3d 0e f8 84 93 96 07 85 ...a..w.=....... 00c0 - 81 10 cd 3f e1 2c 54 01-da 40 8f 06 b3 91 e0 ba ...?.,T..@...... Start Time: 1455140060 Timeout : 300 (sec) Verify return code: 19 (self signed certificate in certificate chain) --- DONE -- bye, pabs https://wiki.debian.org/PaulWise
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