| 1 | # socks5 proxy on smtp transport, TCP Fast Open |
| 2 | # |
| 3 | munge loopback |
| 4 | # |
| 5 | # |
| 6 | # Wipe any stored TFO cookie, to start from known state. |
| 7 | # Disable TFO blackhole-detection as we seem to be running afoul of that |
| 8 | sudo perl |
| 9 | system ("ip tcp_metrics delete 127.0.0.1"); |
| 10 | system ("[ -e /proc/sys/net/ipv4/tcp_fastopen_blackhole_timeout_sec ] && echo 0 > /proc/sys/net/ipv4/tcp_fastopen_blackhole_timeout_sec"); |
| 11 | **** |
| 12 | # |
| 13 | # TFO both clients and server, no cookie yet |
| 14 | server -tfo PORT_D |
| 15 | <<\x05\x01\x00 |
| 16 | >>\x05\x00 |
| 17 | <<\x05\x01\x00\x01\x7f\x00\x00\x01\x04\xc8 |
| 18 | >>\x05\x00\x00\x01\x7f\x00\x00\x01\xbe\xef |
| 19 | 220 Connected OK |
| 20 | EHLO |
| 21 | 250-server id |
| 22 | 250 |
| 23 | MAIL FROM |
| 24 | 250 |
| 25 | RCPT TO |
| 26 | 250 |
| 27 | DATA |
| 28 | 354 go ahead |
| 29 | . |
| 30 | 250 accepted OK |
| 31 | QUIT |
| 32 | 250 bye |
| 33 | **** |
| 34 | # |
| 35 | # |
| 36 | exim -odi -bs -DOPT= |
| 37 | ehlo test.ex |
| 38 | mail from:<> |
| 39 | rcpt to:<user_tfo@test.ex> |
| 40 | data |
| 41 | Date: Fri, 17 Dec 2004 14:35:01 +0100 |
| 42 | Subject: message should be sent |
| 43 | |
| 44 | connection trying TFO via proxy; no cookie yet |
| 45 | . |
| 46 | quit |
| 47 | **** |
| 48 | # |
| 49 | # |
| 50 | # |
| 51 | # TFO client, not server |
| 52 | server PORT_D |
| 53 | <<\x05\x01\x00 |
| 54 | >>\x05\x00 |
| 55 | <<\x05\x01\x00\x01\x7f\x00\x00\x01\x04\xc8 |
| 56 | >>\x05\x00\x00\x01\x7f\x00\x00\x01\xbe\xef |
| 57 | 220 Connected OK |
| 58 | EHLO |
| 59 | 250-server id |
| 60 | 250 |
| 61 | MAIL FROM |
| 62 | 250 |
| 63 | RCPT TO |
| 64 | 250 |
| 65 | DATA |
| 66 | 354 do me |
| 67 | . |
| 68 | 250 accepted OK |
| 69 | QUIT |
| 70 | 250 bye |
| 71 | **** |
| 72 | # |
| 73 | # |
| 74 | exim -odi -bs -DOPT= |
| 75 | ehlo test.ex |
| 76 | mail from:<> |
| 77 | rcpt to:<user_tfo@test.ex> |
| 78 | data |
| 79 | Date: Fri, 17 Dec 2004 14:35:01 +0100 |
| 80 | Subject: message should be sent |
| 81 | |
| 82 | connection trying TFO |
| 83 | via null-auth proxy |
| 84 | . |
| 85 | quit |
| 86 | **** |
| 87 | # |
| 88 | # |
| 89 | # |
| 90 | # TFO client and server |
| 91 | server -tfo PORT_D |
| 92 | <<\x05\x01\x00 |
| 93 | >>\x05\x00 |
| 94 | <<\x05\x01\x00\x01\x7f\x00\x00\x01\x04\xc8 |
| 95 | >>\x05\x00\x00\x01\x7f\x00\x00\x01\xbe\xef |
| 96 | 220 Connected OK |
| 97 | EHLO |
| 98 | 250-server id |
| 99 | 250 |
| 100 | MAIL FROM |
| 101 | 250 |
| 102 | RCPT TO |
| 103 | 250 |
| 104 | DATA |
| 105 | 354 do me mate |
| 106 | . |
| 107 | 250 accepted OK |
| 108 | QUIT |
| 109 | 250 bye |
| 110 | **** |
| 111 | # |
| 112 | # |
| 113 | exim -odi -bs -DOPT= |
| 114 | ehlo test.ex |
| 115 | mail from:<> |
| 116 | rcpt to:<user_tfo@test.ex> |
| 117 | data |
| 118 | Date: Fri, 17 Dec 2004 14:35:01 +0100 |
| 119 | Subject: message should be sent |
| 120 | |
| 121 | connection using TFO |
| 122 | via null-auth proxy |
| 123 | . |
| 124 | quit |
| 125 | **** |
| 126 | # |
| 127 | millisleep 500 |
| 128 | # |
| 129 | sudo perl |
| 130 | system ("[ -e /proc/sys/net/ipv4/tcp_fastopen_blackhole_timeout_sec ] && echo 3600 > /proc/sys/net/ipv4/tcp_fastopen_blackhole_timeout_sec"); |
| 131 | **** |
| 132 | # |
| 133 | # Ends |