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WeChall->Challenges->Challenge: The BrownOS

Some notes Перейти на The BrownOS задание

New syscall enabledDisappointment Thread

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dloser

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RE: Some notes
May 23, 2018 - 14:16:48 (6y 122d) Google/translate1Thank You!1Good Post!0Bad Post! link

Quote from Gizmore
May 22, 2018 - 22:31:12

Quote from dloser
May 17, 2018 - 21:26:16

Quote from l3st3r
May 17, 2018 - 21:01:05

If the server replies immediately with no results (port closes, no data from server), does that indicate an error?

No.

Does it means BrownOS just segfaults on errors?

No, only on valid inputs.

l3st3r

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RE: Some notes
May 23, 2018 - 17:27:16 (6y 122d) Google/translate1Thank You!1Good Post!0Bad Post! link

Quote from Gizmore
May 22, 2018 - 22:31:12

Quote from dloser
May 17, 2018 - 21:26:16

Quote from l3st3r
May 17, 2018 - 21:01:05

If the server replies immediately with no results (port closes, no data from server), does that indicate an error?

No.

Does it means BrownOS just segfaults on errors?

I haven't seen any mush come back that looks "segfault"-ish in nature, have you?
But I have seen a lot of "nothing" come back. Port closes, boom, thank you very much. Hmm, what could it mean?

l3st3r

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RE: Some notes
May 23, 2018 - 17:35:46 (6y 122d) Google/translate1Thank You!1Good Post!0Bad Post! link

Quote from dloser
May 23, 2018 - 14:16:48

Quote from Gizmore
May 22, 2018 - 22:31:12

Quote from dloser
May 17, 2018 - 21:26:16

Quote from l3st3r
May 17, 2018 - 21:01:05

If the server replies immediately with no results (port closes, no data from server), does that indicate an error?

No.

Does it means BrownOS just segfaults on errors?

No, only on valid inputs.

BrownOS segfaults only on valid inputs??? Smile

I have to rethink everything!

Last edited by l3st3r - May 23, 2018 - 18:17:50

space

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RE: Some notes
Sep 10, 2018 - 23:48:18 (6y 12d) Google/translate1Thank You!1Good Post!0Bad Post! link

Quote from l3st3r
May 23, 2018 - 17:35:46

Quote from dloser
May 23, 2018 - 14:16:48

Quote from Gizmore
May 22, 2018 - 22:31:12

Quote from dloser
May 17, 2018 - 21:26:16

Quote from l3st3r
May 17, 2018 - 21:01:05

If the server replies immediately with no results (port closes, no data from server), does that indicate an error?

No.

Does it means BrownOS just segfaults on errors?

No, only on valid inputs.

BrownOS segfaults only on valid inputs??? I have to rethink everything!

This is sarcasm.

Contact only via c3BhY2VAd2VjaGFsbC5uZXQ= or PM...
Windows can be secure... but only if you don't use it Happy

l3st3r

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RE: Some notes
Sep 11, 2018 - 00:42:36 (6y 12d) Google/translate1Thank You!1Good Post!0Bad Post! link

Quote from dloser
May 17, 2018 - 21:26:16

Quote from l3st3r
May 17, 2018 - 21:01:05

If the server replies immediately with no results (port closes, no data from server), does that indicate an error?

No.

Does it indicate success?

dloser

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RE: Some notes
Sep 11, 2018 - 14:57:58 (6y 11d) Google/translate1Thank You!2Good Post!0Bad Post! link

Quote from space
Sep 10, 2018 - 23:48:18

Quote from l3st3r
May 23, 2018 - 17:35:46

...

This is sarcasm.

No, you are.

Quote from l3st3r
Sep 11, 2018 - 00:42:36

Quote from dloser
May 17, 2018 - 21:26:16

Quote from l3st3r
May 17, 2018 - 21:01:05

If the server replies immediately with no results (port closes, no data from server), does that indicate an error?

No.

Does it indicate success?

If you didn't want it to return anything, yes.

mk_modrzew

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RE: Some notes
Jan 05, 2019 - 16:09:40 (5y 260d) Google/translate1Thank You!1Good Post!0Bad Post! link

Is service on port 61221 still online?

space

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RE: Some notes
Jan 05, 2019 - 16:17:02 (5y 260d) Google/translate2Thank You!1Good Post!0Bad Post! link

Yes

Contact only via c3BhY2VAd2VjaGFsbC5uZXQ= or PM...
Windows can be secure... but only if you don't use it Happy

quangntenemy

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RE: Some notes
May 01, 2020 - 13:51:12 (4y 143d) Google/translate1Thank You!1Good Post!0Bad Post! link

How many people actually tried this one lol? The fact that all solvers (except the author) gave it a difficulty of 10 is throwing me off, either it's too hard or too much work (or both) Drool

l3st3r

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RE: Some notes
May 01, 2020 - 22:21:43 (4y 143d) Google/translate1Thank You!1Good Post!0Bad Post! link

Quote from quangntenemy
May 01, 2020 - 13:51:12

How many people actually tried this one lol? The fact that all solvers (except the author) gave it a difficulty of 10 is throwing me off, either it's too hard or too much work (or both)

It's hard. It's work. How much is "too" much? You'll have to decide.

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