Forum Discussion
rjordan
Nimbostratus
Oct 27, 2009Monitoring a HTTP 204 response
We are load balancing a 3rd party close source HTTP app. When we asked for a page that can be used as a health check, we were given a page that returns a 204 response (no content). I tried various met...
rjordan
Nimbostratus
Oct 27, 2009Thanks for the quick response. I modified the send string as requested and I now see some interesting stuff in the tcp dump. Here is my GET request:
0x0000 00d4 0800 4500 0078 72b1 4000 4006 99d7 ....E..xr.@.@...
0x0010 0a0a 0cfd 0a0a 0ce7 a881 1f9a 61c5 4643 ............a.FC
0x0020 9d90 b443 8018 16d0 b3c4 0000 0101 080a ...C............
0x0030 97e3 5ff9 2f81 7276 4745 5420 2f71 7565 .._./.rvGET./que
0x0040 7279 6162 6c65 2048 5454 502f 312e 310d ryable.HTTP/1.1.
0x0050 0a48 6f73 743a 3130 2e31 302e 3132 2e32 .Host:10.10.12.2
0x0060 3331 200d 0a43 6f6e 6e65 6374 696f 6e3a 31...Connection:
0x0070 2043 6c6f 7365 0d0a 0d0a 0d0a .Close......
And here is the response:
0x0000 00d4 0800 4500 00cf c637 4000 4006 45fa ....E....7@.@.E.
0x0010 0a0a 0ce7 0a0a 0cfd 1f9a a881 9d90 b443 ...............C
0x0020 61c5 4687 8018 05a8 9912 0000 0101 080a a.F.............
0x0030 2f81 727a 97e3 5ff9 4854 5450 2f31 2e31 /.rz.._.HTTP/1.1
0x0040 2032 3034 204e 6f20 436f 6e74 656e 740d .204.No.Content.
0x0050 0a53 6572 7665 723a 2044 6973 636f 7665 .Server:.Discove
0x0060 7279 2045 6e67 696e 6520 2832 2e36 2e39 ry.Engine.(2.6.9
0x0070 290d 0a58 2d44 6973 636f 7665 7279 2d49 )..X-Discovery-I
0x0080 6e73 7461 6e63 653a 2063 3738 3332 3262 nstance:.c78322b
0x0090 6338 6135 6433 3131 3666 3032 6464 3832 c8a5d3116f02dd82
0x00a0 6238 3435 3265 6638 640d 0a58 2d52 6571 b8452ef8d..X-Req
0x00b0 7565 7374 2d54 696d 653a 2030 0d0a 436f uest-Time:.0..Co
0x00c0 6e6e 6563 7469 6f6e 3a20 636c 6f73 650d nnection:.close.
0x00d0 0a0d 0a ...
The monitor is still failing. I still can't tell what my response sting should look like based on the response in the tcpdump.
Thanks.
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