Message ID | Pine.LNX.4.64.1006170104000.26819@nacho.alt.net |
---|---|
State | Not Applicable, archived |
Delegated to: | David Miller |
Headers | show |
Chris Caputo wrote: > On Wed, 6 Feb 2008, Chris Caputo wrote: >> Unless a destination is specified by IP address, a ping flood results in a >> gethostbyaddr() for every echo reply. Thus a DNS flood can accompany a >> ping flood. > > Updated for iputils-s20100418... Can someone review and work into next > release? Applied, thanks. --yoshfuji -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
--- iputils-s20100418/ping_common.c 2010-04-18 04:45:45.000000000 +0000 +++ iputils-dev/ping_common.c 2010-06-17 01:00:59.000000000 +0000 @@ -118,10 +118,6 @@ void common_options(int ch) case 'D': options |= F_PTIMEOFDAY; break; - case 'f': - options |= F_FLOOD; - setbuf(stdout, (char *)NULL); - break; case 'i': /* wait between sending packets */ { if (strchr(optarg, '.')) { @@ -183,6 +179,10 @@ void common_options(int ch) exit(2); } break; + case 'f': + options |= F_FLOOD; + setbuf(stdout, (char *)NULL); + /* fallthrough to numeric - avoid gethostbyaddr during flood */ case 'n': options |= F_NUMERIC; break;