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Re: UDP packet/DNS server
by shields＠crosslink.net 29 Sep '98

29 Sep '98

In article <19980928210036.A24460(a)qual.net>, Christopher Neill <chrisn(a)qual.net> wrote: > Allowable characters in hostnames are: > > a-zA-Z0-9 > > I think / is also allowable, and there is an RFC on this subject. Go to > ftp://nic.ddn.mil/pub/rfc to check. No it is not. However, hyphens are. But, the element "*" is a special case, with different semantics to go with its different syntax. -- Shields, CrossLink.

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Any Cisco-experienced folks wanna tackle this one?
by Kevin Brown 29 Sep '98

29 Sep '98

I will expect replies to this message directly as it doesn't really fit into the normal fodder for nanog, but it is a last ditch effort for problem resolution. I have a customer who I am integrating into our network via a T1 link and have already gotten all the nominal routing setup prepared. This customer is using RFC1918 addressing on his LAN, and requires a firewall-type solution with NAT capabilities. Bless this customer for thinking ahead with his internal addressing :=) Anyway, I have run into a problem with his hardware/software provisioning and I think this can be recreated in a lab environment: Cisco 1601 router 6 MB Flash 4 MB DRAM WIC-1DSU-56K4 IP Plus/Firewall IOS version 11.3 (actual image name: c1600-nosy-mz.113-3.T ) Everytime I have start the router, I get a software crash that TAC says should not be happening. If anyone else might have this equipment setting around, and be willing to replicate this and see what happens for you, I would much appreciate hearing about it. I'm thinking I've found an ewps in the code/hardware configuration and have just provisioned a non-working solution. I'd like to hear what the rest of you might come up with. Yes, I know it's a small configuration, but surely we've all got lessor routers in the field with similar requirements. Thanks in advance if you would assist Kevin Brown

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Remote Shell
by Benicio Miguel Sanchez Fuentes 29 Sep '98

29 Sep '98

I need to give remote shell access to a user in a server (an HP-9000 k410 running HP-UX 10.10) conected to mine through a 3Com router, I have done some investigation and what I have found is that I have to open port 514 for tcp, for some reason this did not work, so I opened (temporarily of course) all the ports on the router....and it worked, but I don´t want to leave it like that, Does anyone now what port(s) I need to leave open to alow the remote shells?. Is there any configuration needed other than the equiv.hosts and (or) the .rhosts files ? Thanks in advance for your answers Benicio Sanchez Network Operations Engineer Alestra

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WEATHER: update Puerto Rico/South Florida
by Sean Donelan 29 Sep '98

29 Sep '98

300 dead so far (200 Dominican Republic, 87 Haiti, others spread out over several different islands) Once again, my information is limited to where DRA has customers. So I don't know about other areas. South Florida: Light to moderate damage. Power outage in the keys and spot outages in south Florida. Most telephone and Internet service continued to function. Puerto Rico: Latest word I have from people on the island, is they are still without telephone, electricity or water. At least 50% of the telephone poles on the island have been knocked down. I don't have word specifically about the satellite teleport in Puerto Rico. Currently emergency officials are working on restoring utility service to these facilities, in this order 1. Emergency services, hospitals, designated shelters 2. Water and sewerage plants 3. Telephone and other communication services Estimates are it will be Monday before priority services have been restored. Major urban areas by the end of next week (Oct 2). Other News: Does anyone have any more information about Worldcom's outage last night in Mississippi? The only information we received was it involved hazardous materials. BTW, last Friday I attended a briefing at the Department of Commerce about the process the US Government is embarking on to work on a "private-public" partnership with the "Information and Communications" sector as part of their Critical Infrastructure Assurance Program. I didn't recognize anyone from a "post cold war" company in attendence. Essentially no Internet backbone representation, with maybe the possible exception of AT&T. Not that anyone missed anything. I wonder what the press thought of the briefing. -- Sean Donelan, Data Research Associates, Inc, St. Louis, MO Affiliation given for identification not representation

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Re: Remote Shell
by Sudeep_Khuraijam＠3com.com 28 Sep '98

28 Sep '98

Benicio, The Firewall services can be configured to log in varying degrees of detail , so you should be able to see the ports and policies following which it is denied. A sample of such a syslog would look like:: Aug 19 09:55:13 3ComFirewall-Router #206 Sun Aug 19 08:56:28 1998 R.R.R.1 FireWall "Rx !5 X.X.X.69(33004)->Y.Y.Y.11(DNS) UDP Deny SrcSpoof" IPs::R-Firewall router X-Source (port) Y-Destination (port) Sudeep At 01:32 PM 9/28/98 -0500, you wrote: >I need to give remote shell access to a user in a server (an HP-9000 k410 >running HP-UX 10.10) conected to mine through a 3Com router, I have done >some investigation and what I have found is that I have to open port 514 >for tcp, for some reason this did not work, so I opened (temporarily of >course) all the ports on the router....and it worked, but I don´t want to >leave it like that, Does anyone now what port(s) I need to leave open to >alow the remote shells?. > >Is there any configuration needed other than the equiv.hosts and (or) the >.rhosts files ? > >Thanks in advance for your answers > >Benicio Sanchez >Network Operations Engineer >Alestra >

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Domains for sale ? (This is not spam...)
by James R. Fisher 28 Sep '98

28 Sep '98

Greetings: Does anyone know of a website on which domain names are offered for sale ? This would be something of an underground enterprise if it exists ? I ask because it appears that a domain in which I have some interest has apparently come up for sale (usgs.com) You can see this just from the top of whois output for usgs.com . Thanks. -jrf

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domainspace.com punished
by Rodney Joffe 28 Sep '98

28 Sep '98

A cursory look at the web page advertised in the recent .cc spam indicates "DOMAINSPACE HAS STOPPED SENDING EMAIL DUE TO COMPLAINTS 9/28/98.". In case anyone wondered if the RBL works....

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Re: UDP packet/DNS server
by Adam D. McKenna 28 Sep '98

28 Sep '98

nmap, the port scanner, has a UDP scan. you can find it at http://www.insecure.org/nmap --Adam -----Original Message----- From: Tatsuya Kawasaki <tatsuya(a)giganet.net> To: nanog ml <nanog(a)merit.edu> Date: Monday, September 28, 1998 12:51 AM Subject: UDP packet/DNS server Hello Nanog, I am trying get zone trasfer from a host, but it seems that because of firewals?, I can not get any record. They acknowelged that there is a host behind the firewalls but they claim it should not affect it. (I don't believe it.) But I don't know how to check/prove that if certain host can receive/send an UDP packet. TIA, Tatsuya $B$+$o$5$-(B TK3197 = = = = = = Business Network Telecom (BNT) $B%S%8%M%9%M%C%H%o!<%/%F%l%3%`3t<02q<R(B $B")(B111-0053$B!!El5~ETBfEl6h@uAp66(B3-8-5 31$B;35~%S%k(B6$B3,(B TEL 03-5687-3945 FAX 03-5687-6009 http://www.giganet.net

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Fractals Reemerge in the New Math of the Internet
by Hank Nussbacher 27 Sep '98

27 Sep '98

Worth reading: Fractals Reemerge in the New Math of the Internet by Gary Taubes Science Magazine, Volume 281, Number 5385 Issue of 25 Sep 1998, pp. 1947 - 1948 Vern Paxson mentioned a number of times. AT&T researchers have shown that IP traffic over the Internet is fractal in nature. Could be soon we will have an Internet Erlang value. -Hank

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Agenda topics so far
by Susan R. Harris 27 Sep '98

27 Sep '98

Greetings - here are topics we've lined up so far for the Atlanta meeting. Watch for updates at: www.nanog.org/mtg-9811/topics.html ----------------------------------------------------------------------- - ISP Backbones and Caching: Case Studies from Large-Scale Deployment in the Field (Panel moderated by Peter Danzig, Network Appliance) - Router Update: Fast Packet Forwarding and Packet Treatment for Differentiated Services (Panel moderated by Curtis Villamizer, ANS) - Alternative Interconnects: Technology, Attachment Requirements, and Performance Measurements (Panel moderated by Bill Manning, ISI) - Updates from the GigaPoPs - Multicast/MBGP: Real-Life Experiences in the Field (Panel moderated by Dave Meyer, Cisco) Steve Rubin, AboveNet Dorian Kim, Verio Doug Pasko, Cable & Wireless Henry Killmer/Danielle Deibler, DIGEX Jian Li, Kwest - ARIN Update (Kim Hubbard, ARIN) Are there other topics you'd like to hear about? If so, please send e-mail to nanog-support(a)merit.edu. ------------------------------------------------------------------------- Susan R. Harris, Ph.D. Merit Network, Inc. Phone: 734.936.2100 srh(a)merit.edu Senior Science Writer Fax: 734.647.3185 -------------------------------------------------------------------------

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