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| From: | Adam Carter <Adam.Carter@×××××××××.au> | ||
|---|---|---|---|
| To: | "gentoo-user@l.g.o" <gentoo-user@l.g.o> | ||
| Subject: | RE: [gentoo-user] Machine doesn't respond to broadcast ping. | ||
| Date: | Thu, 25 Jun 2009 07:10:42 | ||
| Message-Id: | 5602B0BD6D59AE4791BE83104940118DC2F3DB7D@excprdmbxw002.optus.com.au | ||
| In Reply to: | Re: [gentoo-user] Machine doesn't respond to broadcast ping. by Eray Aslan |
||
| 1 | > > I've got one machine here on the LAN which isn't responding to broadcast |
| 2 | > > ping. Any idea why not? |
| 3 | > |
| 4 | > You need to set icmp_echo_ignore_broadcasts to 0. Default is |
| 5 | > 1, mainly for dos prevention: |
| 6 | > |
| 7 | > # sysctl net.ipv4.icmp_echo_ignore_broadcasts=0 |
| 8 | |
| 9 | I thought it would default to off in most OSes these days, because of; |
| 10 | http://en.wikipedia.org/wiki/Smurf_attack |
| 11 | |
| 12 | Are those other machines patched up? |
| Subject | Author |
|---|---|
| Re: [gentoo-user] Machine doesn't respond to broadcast ping. | Stroller <stroller@××××××××××××××××××.uk> |