nanog mailing list archives
Re: To CAIS Engineers - WAKE UP AND TAKE CARE OF YOUR CUSTOMERS
From: Adam McKenna <adam () flounder net>
Date: Mon, 14 May 2001 23:18:09 -0700
On Mon, May 14, 2001 at 05:27:09PM -0400, Christopher A. Woodfield wrote:
I didn't intend to imply that matching forward/reverse DNS was a security measure I'd trust by itself, but it certainly doesn't hurt to implement as a "outer perimeter" measure in conjunction with IP-based rules and secure authentication...
It does hurt. It causes non-obvious problems. Forcing hostnames and PTR's to match (commonly referred to as PARANOID checking) does not provide extra security, it just prevents people with badly configured DNS from accessing your servers. --Adam
Current thread:
- Re: To CAIS Engineers - WAKE UP AND TAKE CARE OF YOUR CUSTOMERS, (continued)
- Re: To CAIS Engineers - WAKE UP AND TAKE CARE OF YOUR CUSTOMERS Stephen Griffin (May 17)
- Re: Swipping /29's /30's and singles.. mike harrison (May 15)
- Re: Swipping /29's /30's and singles.. Hunter Pine (May 15)
- DSL providers and reverse DNS [was Re: To CAIS Engineers - WAKE UP AND TAKE CARE OF YOUR CUSTOMERS] Ulf Zimmermann (May 17)
- RE: To CAIS Engineers - WAKE UP AND TAKE CARE OF YOUR CUSTOMERS Roeland Meyer (May 14)
- Re: To CAIS Engineers - WAKE UP AND TAKE CARE OF YOUR CUSTOMERS Adam McKenna (May 14)
- RE: To CAIS Engineers - WAKE UP AND TAKE CARE OF YOUR CUSTOMERS John Fraizer (May 14)
- Re: To CAIS Engineers - WAKE UP AND TAKE CARE OF YOUR CUSTOMERS Christopher A. Woodfield (May 14)
- Re: To CAIS Engineers - WAKE UP AND TAKE CARE OF YOUR CUSTOMERS Adam McKenna (May 14)
- Re: To CAIS Engineers - WAKE UP AND TAKE CARE OF YOUR CUSTOMERS Christopher A. Woodfield (May 14)
- Re: To CAIS Engineers - WAKE UP AND TAKE CARE OF YOUR CUSTOMERS Adam McKenna (May 15)
- Re: To CAIS Engineers - WAKE UP AND TAKE CARE OF YOUR CUSTOMERS Valdis . Kletnieks (May 15)
- Re: To CAIS Engineers - WAKE UP AND TAKE CARE OF YOUR CUSTOMERS Pyda Srisuresh (May 15)
- RE: To CAIS Engineers - WAKE UP AND TAKE CARE OF YOUR CUSTOMERS Vivien M. (May 15)
- Re: To CAIS Engineers - WAKE UP AND TAKE CARE OF YOUR CUSTOMERS Shawn McMahon (May 15)
- Re: To CAIS Engineers - WAKE UP AND TAKE CARE OF YOUR CUSTOMERS Brett Frankenberger (May 17)
- Re: To CAIS Engineers - WAKE UP AND TAKE CARE OF YOUR CUSTOMERS Shawn McMahon (May 17)
- Re: To CAIS Engineers - WAKE UP AND TAKE CARE OF YOUR CUSTOMERS David Charlap (May 17)
- RE: To CAIS Engineers - WAKE UP AND TAKE CARE OF YOUR CUSTOMERS Pyda Srisuresh (May 15)
- Re: To CAIS Engineers - WAKE UP AND TAKE CARE OF YOUR CUSTOMERS Eric A. Hall (May 15)