#dev 2018-11-30

2018-11-30 UTC
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[tantek] what's the lowest DNS TTL that anyone's experimented with?
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[tantek] seconds? would it be possible for a web server running on a mobile device to dynamically update the IP address for a domain name every time it itself got a new IP address via DHCP over wifi?
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jjuran [tantek]: Sure, there are DynDNS services.
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[tantek] yes I have heard of DynDNS and lots of stories. looking for actual experience here, especially with low TTLs
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[tantek] also, ideally you wouldn't have to use a DynDNS service. your mobile device should be able to directly interact with your domain name provider to update the IP address for your domain
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[tantek] though now I'm thinking it may make more sense to use a home router as a caching proxy, which then does lazy retrieval of actual content from your web server running on your mobile device(s)
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jjuran Okay, so you need a way to programmatically update the DNS, i.e. an API.
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[tantek] HTTPS POST via domain name provider existing web forms is a sufficient starting point
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[tantek] to put it another way, every web form *is* an API
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jjuran My domains on nearlyfreespeech.net have a TTL of 60 minutes
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[tantek] wow that's the shortest I've heard of. have you experimented with less?
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jjuran It doesn't seem to be user-settable
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[tantek] I feel like I have seen a setting on some DNS providers
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cjwillcock tantek: i use a TTL of 600 regularly. 600 appears to be 10 mins but is recognized as having a special meaning, do not cache
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cjwillcock Great for switching webhosts, emails providrrs, etc
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cjwillcock I can't find a reference for this being a thing. Now I wonder if it is a combination of factors in the zone, not simply a TTL of 600 on a single record. Making a note here to run down additional info.
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KartikPrabhu what is TTL?
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Loqi It looks like we don't have a page for "TTL" yet. Would you like to create it? (Or just say "TTL is ____", a sentence describing the term)
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jjuran TTL is Time-To-Live, a measure in seconds of how long a DNS record (such as a name-to-address mapping) is valid.
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jjuran what is TTL?
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Loqi It looks like we don't have a page for "TTL" yet. Would you like to create it? (Or just say "TTL is ____", a sentence describing the term)
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jjuran TTL is Time-To-Live, a measure in seconds of how long a DNS record (such as a name-to-address mapping) is valid.
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Loqi ok
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sknebel !tell tantek: TTL 600 (10 minutes) is quite common, some DynDNS services go down to 60 or even 30.
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Loqi Ok, I'll tell them that when I see them next
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jgmac1106 Goto be [jacky]
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jgmac1106 If I am waking up you need to be asleep
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jgmac1106 oops thought I qas in chat
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jacky lol
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[jgmac1106] can a u-url come before a p-name in an h-card or is best practice to have p-name as first property after an h-*
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[jgmac1106] nvm I see u-photo first everywhere, order doesn't matter
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[kevinmarks] Order will depend on the language of the parser.
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[jgmac1106] thx [kevinmarks] I was loooking at examples here where p-name isn't first..I do know p-name should come first after h-entry but looks like, based on tempaltes, doesn't matter in h-cards
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[jgmac1106] http://microformats.org/wiki/h-card
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[kevinmarks] I mean that once parsed the order of key/value pairs in json is not defined.
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[kevinmarks] Php and javascript do preserve the order you add, but python sorts by hash of the key and go deliberately randomises them.
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[jgmac1106] ahh okay thx
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[tantek] Would anyone that currently receives webmentions support receiving an audio-reply (kind of like a photo-reply) and then attempt transcription into a text equivalent? (assuming it was a /voice-comment )
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Loqi [tantek]: sknebel left you a message 11 hours, 57 minutes ago: TTL 600 (10 minutes) is quite common, some DynDNS services go down to 60 or even 30.
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[schmarty] tantek: oooh. i don't think my site would display those currently.
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[tantek] do you display photo comments?
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[schmarty] i do!
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[tantek] how about video comments?
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[schmarty] just checked my templates. currently hardcoded to show photos if present, but no checks for video or audio.
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[schmarty] i should possibly consolidate my response display code that handles photos w/ my reply context display code that handles photos, audio, and video.
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aaronpk I intentionally have different displays for those two, for example photos in the reply context get displayed small, but they are full width in a comment
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Loqi aaronpk: [eddie] left you a message 3 days, 14 hours ago: If someone sends a webmention delete (where source is 410) to a webmention.io endpoint does it delete the webmention and/or ping the web hook?
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[kevinmarks] You should have asked when I was at BT, we had an api for that
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aaronpk [eddie] I think the answer to both is no
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Loqi yea
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[schmarty] tantek: reminds me of Seesmic https://en.wikipedia.org/wiki/Seesmic
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[schmarty] the "short videos comments" thing was something my friends and i played with. i feel like there was a wordpress plugin that would let visitors leave video comments on your posts, hosted on seesmic.
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