On 2013/05/07 14:26, Ted Unangst wrote: > On Sun, May 05, 2013 at 15:18, Stuart Henderson wrote: > > > I don't feel too strongly about it but my preference would be to > > log both. There are circumstances (e.g. dhcp with dynamic dns updates) > > where it's useful to have the reverse at the time of connection. > > Are you talking about internal or external networks? If it's your > network you should be able to figure it out, and if it's the internet,
Either.. > I don't know of any ISPs that give you control over dynamic reverse > lookups. Funny - apart from mobile networks, I don't think I've ever used an ISP that *doesn't* let me do that. (There are plenty I could use which wouldn't let me do that too of course, but they also suck in other ways). > I don't like logging both because there's a not unreasonable chance > the reverse name will be a complete lie, which will just mislead you. Oh, it doesn't do a forward check of the name it got from reverse lookup? Yes that's bad.