I did a test of DNS blacklisting with DCC over the weekend. At first, it seemed to do exactly what I need. However, I noticed at one point that the load on the e-mail server was over 12. On a weekend, it's generally around 1. When I checked, I found 802 `dccm' processes running. The number of processes would cycle up and down, but only rise as high as 802. `dccm' is running with the `-j 800' option. I assume that these were DNS helpers. The command-line arguments of one was:
# pargs 19377 19377: /usr/local/dcc/libexec/dccm -B xbl.dnsbl,any -B set:helper=35,105 argv[0]: /usr/local/dcc/libexec/dccm argv[1]: -B argv[2]: xbl.dnsbl,any argv[3]: -B argv[4]: set:helper=35,105 Here are the configuration changes I made for the test: # diff dcc_conf~ dcc_conf 47c47 < DNSBL_ARGS= --- > DNSBL_ARGS="'-Bset:rej-msg=5.7.1 550 id %s from %s rejected. See http://www.spamhaus.org/xbl/' -Bxbl.dnsbl,any" 62c62 < DCCM_USERDIRS= --- > DCCM_USERDIRS=/var/dcc/ud Reverting to the old configuration brought it back to normal. I'm using dcc-1.3.31. Might this work better in a later version? -- -Gary Mills- -Unix Support- -U of M Academic Computing and Networking- _______________________________________________ DCC mailing list [email protected] http://www.rhyolite.com/mailman/listinfo/dcc
