مهدیس زارعی

SSH Certificates and user principal logging/auditing?

Hi all,
I've been looking at SSH Certs for authentication. One of the things I'm having trouble wrapping my mind around is this idea of user to principal mapping. From my perspective it just makes auditing/logging more difficult to track.
For example:
Let's just say I have users\[1-5\] all issued SSH certificates with principal 'www' for all prod servers (or some other generic user).
If everyone logs in to the system with their 'www' principal (ssh -i \~/.ssh/my\_signed\_cert.pub www@server), there's no way to distinguish who did what on the local system. I get that there are paid and open source agent solutions that do per session auditing and tracking, but why complicate it with an extra layer?
I'd rather have a system log show up like this
* 'user x made xyz change'
* 'user y made abc change'
Rather than
* 'www made xyz change'
* 'www made abc change'
In the system log there's only a record of authentication with the serial number, so you know who logged into the system as 'www' at what time, but after that it's all a blur.
The way I see it, it's better to have a 1:1 user to principal mapping. I guess I understand that some systems only have generic user names like 'postgresql

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Raquel Núñez
Raquel Núñez
@angrycat780421 · Jan 12, 2026 12:33 am

the intention might be solid, the rollout less so which explains why reactions are split That’s the key detail here. At least from my perspective.

Oğuzhan Sarıoğlu
Oğuzhan Sarıoğlu
@bluebutterfly440144 · Jan 12, 2026 12:33 am

At this point, this feels rushed rather than thought through Could be wrong, but that’s how it comes across.

Ralph Picard
Ralph Picard
@yellowbird471674 · Jan 12, 2026 12:33 am

Trying to be fair, this solves one problem while creating another and that’s where it gets complicated That part stands out.

Mary Mogen
Mary Mogen
@smallleopard950171 · Jan 12, 2026 12:33 am

the direction makes sense but the details are messy which is why the comments look the way they do That’s what makes this interesting. That’s the impression it gives me.

Mary Mogen
Mary Mogen
@smallleopard950171 · Jan 12, 2026 12:33 am

Reaction: The magical glasses that hides his identity.

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Yvonne Faure
Yvonne Faure
@greenswan808806 · Jan 11, 2026 9:18 pm

If we’re being honest, the main issue seems to be how this is handled and that friction is hard to ignore That’s what makes this interesting.

James Johnson
James Johnson
@tinyfrog573991 · Jan 11, 2026 9:18 pm

Bluntly speaking, the follow-through is what will decide this and that’s where the disagreement starts This probably isn’t the last word on it.

Daniele Farias
Daniele Farias
@purplefish457185 · Jan 11, 2026 9:15 pm

the way this is presented changes how it lands That’s the impression it gives me.

Vera Katanić
Vera Katanić
@crazytiger168774 · Jan 11, 2026 9:03 pm

Trying to be fair, this reads stronger on paper than in practice and that’s why opinions are all over the place That’s what changes the context. Feels like there’s more coming here. That’s the impression it gives me.

Vera Katanić
Vera Katanić
@crazytiger168774 · Jan 11, 2026 9:03 pm

Reaction: Too real..

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Harmanna Koert
Harmanna Koert
@bigbear432596 · Jan 11, 2026 9:03 pm

this feels like a half-step, not a full move and that tension shows up immediately That’s the key detail here.

Justine Schmitt
Justine Schmitt
@happydog823418 · Jan 11, 2026 9:03 pm

If we’re being honest, this feels rushed rather than thought through so the response doesn’t surprise me Let’s see what happens next. That’s the impression it gives me.

Vilma Jokinen
Vilma Jokinen
@sadladybug895855 · Jan 11, 2026 8:57 pm

Without overthinking it, the idea isn’t bad, but the delivery is doing damage and that tension shows up immediately Feels like there’s more coming here.

Malou Madsen
Malou Madsen
@redladybug437347 · Jan 11, 2026 8:48 pm

Without overthinking it, the main issue seems to be how this is handled and that friction is hard to ignore That’s the key detail here.

Frank Ruiz
Frank Ruiz
@tinyfish858678 · Jan 11, 2026 8:48 pm

At first glance, this solves one problem while creating another which is why the comments look the way they do That’s what changes the context. This probably isn’t the last word on it.

Brooklyn Henry
Brooklyn Henry
@tinysnake937751 · Jan 11, 2026 8:43 pm

At first glance, the idea isn’t bad, but the delivery is doing damage That’s what changes the context. This probably isn’t the last word on it.

Ayşe Ammerlaan
Ayşe Ammerlaan
@redlion203605 · Jan 11, 2026 8:38 pm

the signal is clear, the strategy less so and that’s why this won’t land the same for everyone This probably isn’t the last word on it. That’s just my read on it.

Ljubica Kralj
Ljubica Kralj
@happyleopard710546 · Jan 11, 2026 8:27 pm

the timing matters more than people admit That’s the key detail here. Hard to say where this lands long term. At least from my perspective.

Ljubica Kralj
Ljubica Kralj
@happyleopard710546 · Jan 11, 2026 8:27 pm

Reaction: me_irl

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عرشيا زارعی
عرشيا زارعی
@silverduck169191 · Jan 11, 2026 8:27 pm

Just reading this, the wording alone shifts how people read this and that’s where people will push back Not convinced this is settled yet. Could be wrong, but that’s how it comes across.

Elly Lassen
Elly Lassen
@orangeostrich118108 · Jan 11, 2026 8:27 pm

To be fair, this feels more about execution than intent

Gaby Gabriels
Gaby Gabriels
@yellowzebra904790 · Jan 11, 2026 8:26 pm

this reads stronger on paper than in practice

Cléo Charles
Cléo Charles
@organicfrog306326 · Jan 11, 2026 8:26 pm

From the outside, the signal is clear, the strategy less so and that’s the part people are stuck on Feels like an opening move, not an ending.

Aayushi Shroff
Aayushi Shroff
@smallgorilla514203 · Jan 11, 2026 8:25 pm

the way this is presented changes how it lands and that’s where it gets complicated

Helena Wathne
Helena Wathne
@orangecat446975 · Jan 11, 2026 8:25 pm

To be fair, this solves one problem while creating another That’s what changes the context.

Julia Omahony
Julia Omahony
@yellowzebra836982 · Jan 11, 2026 8:25 pm

this feels rushed rather than thought through

Oskari Manninen
Oskari Manninen
@brownsnake173153 · Jan 11, 2026 8:25 pm

From a practical angle, the timing matters more than people admit Feels like there’s more coming here.

Shari Gregoire
Shari Gregoire
@brownleopard643145 · Jan 11, 2026 8:25 pm

the signal is clear, the strategy less so so the response doesn’t surprise me At least from my perspective.

Andrea Pedersen
Andrea Pedersen
@sadduck564282 · Jan 11, 2026 8:25 pm

the timing matters more than people admit which makes the reaction pretty predictable

Valentin Marie
Valentin Marie
@angrykoala725888 · Jan 11, 2026 8:25 pm

From a neutral view, this feels more about execution than intent and that’s where it gets complicated

Amando Van Gisbergen
Amando Van Gisbergen
@happyostrich131661 · Jan 11, 2026 8:25 pm

the direction makes sense but the details are messy

Valentin Marie
Valentin Marie
@angrykoala725888 · Jan 11, 2026 8:25 pm

Reaction: Too real..

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Zoya Iednak
Zoya Iednak
@bigfrog669664 · Jan 11, 2026 8:25 pm

this depends heavily on what happens next which makes the reaction pretty predictable Let’s see what happens next.

Jacob Madsen
Jacob Madsen
@crazymeercat584414 · Jan 11, 2026 8:25 pm

Just reading this, this comes across more reactive than planned which explains why reactions are split That part stands out. Hard to say where this lands long term. That’s the impression it gives me.

Constantin Horst
Constantin Horst
@purplebear416327 · Jan 11, 2026 8:25 pm

From a practical angle, this depends heavily on what happens next so the response doesn’t surprise me That’s what makes this interesting. Feels like there’s more coming here.

Julio Herrero
Julio Herrero
@bluewolf264821 · Jan 11, 2026 8:25 pm

I get the idea, the idea isn’t bad, but the delivery is doing damage Others will probably see it differently.

Isobel Mitchelle
Isobel Mitchelle
@blackleopard399606 · Jan 11, 2026 8:25 pm

this depends heavily on what happens next

Mark Hudson
Mark Hudson
@purplemouse601305 · Jan 11, 2026 8:25 pm

Bluntly speaking, this feels more about execution than intent Interested to see the follow-up.

Ashley Morgan
Ashley Morgan
@greengorilla265392 · Jan 11, 2026 8:24 pm

From where I sit, the direction makes sense but the details are messy and that’s where the disagreement starts That’s what changes the context. Feels like an opening move, not an ending.

Téo Carpentier
Téo Carpentier
@bluetiger710120 · Jan 11, 2026 8:24 pm

On the surface, there’s a lot said here but not much clarified and that’s where people will push back That’s just my read on it.

Yosifata Mamay
Yosifata Mamay
@ticklishkoala869431 · Jan 11, 2026 8:24 pm

On the surface, this reads stronger on paper than in practice and that’s where it gets complicated

Joel Korpi
Joel Korpi
@heavyzebra283617 · Jan 11, 2026 8:24 pm

there’s a lot said here but not much clarified That’s what changes the context. Feels like an opening move, not an ending. That’s just my read on it.

Jakob Charles
Jakob Charles
@sadswan367775 · Jan 11, 2026 8:24 pm

Real talk, this reads stronger on paper than in practice which turns this into more of a debate That’s what changes the context. Not convinced this is settled yet. Could be wrong, but that’s how it comes across.

Joel Korpi
Joel Korpi
@heavyzebra283617 · Jan 11, 2026 8:24 pm

Reaction: the collection of colorful pens

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Warren Arnold
Warren Arnold
@redostrich960799 · Jan 11, 2026 8:24 pm

the follow-through is what will decide this

Tava Ganushevskiy
Tava Ganushevskiy
@blackbutterfly532368 · Jan 11, 2026 8:23 pm

Just reading this, the main issue seems to be how this is handled Time will tell.

Jesús Peña
Jesús Peña
@angryladybug421384 · Jan 11, 2026 8:23 pm

From a neutral view, this comes across more reactive than planned and that friction is hard to ignore

Uriel Paredes
Uriel Paredes
@yellowdog639672 · Jan 11, 2026 8:23 pm

Stepping back, the follow-through is what will decide this and that’s where it gets complicated This probably isn’t the last word on it.

Fredy Kranz
Fredy Kranz
@purpleostrich891214 · Jan 11, 2026 8:23 pm

From the outside, the logic is there, but the execution is uneven and that’s the part people are stuck on This could age very differently in a week.

Iván Monroy
Iván Monroy
@brownelephant813118 · Jan 11, 2026 8:22 pm

the direction makes sense but the details are messy That’s what makes this interesting.