Date: Wed, 6 Jun 2001 17:04:08 -0700 From: "Philip J. Koenig" <pjklist@ekahuna.com> To: questions@FreeBSD.ORG Subject: "Unknown hardware address format" Message-ID: <3B1E6288.17928.C0C44D@localhost>
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I posted a similiar question to this list and the Security list on 5/28 and didn't get any definitive replies. Today I am seeing the same message, out of the blue, in my syslog and echoed to console (4.3-STABLE): io /kernel: arp: unknown hardware address format (0x0800) I searched the mailing list archives to no avail, but ran across some stuff on altavista, apparently 0800 matches both IP and arp protocol numbers, here is apparently some kernel code that generates this message (if_ether.c), from the URL below: http://minnie.tuhs.org/FreeBSD-srctree/newsrc/netinet/if_ether.c.html ----------------- Begin code snippet -------------------- if (ntohs(ar->ar_hrd) != ARPHRD_ETHER && ntohs(ar->ar_hrd) != ARPHRD_IEEE802) { log(LOG_ERR, "arp: unknown hardware address format (0x%2D)\n", (unsigned char *)&ar->ar_hrd, ""); m_freem(m); continue; } --------------------- End code snippet ------------------ I keep worrying it may be a security breach or something, or maybe a piece of failing network hardware. I'd rather not join one of the kernel lists just to ask this question, so if anyone is a kernel/net hacker or would like to forward it to one, i'd appreciate it.. Thx, Phil -- Philip J. Koenig pjklist@ekahuna.com Electric Kahuna Systems -- Computers & Communications for the New Millenium To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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