on (#3WRWX)
[Dr.] Brian Callahan (bcallah@) recently live-streamed(at twitch.tv/NewAstroCity)an interactive OpenBSD Porting Workshop.A recording of the workshop isnow available.
OpenBSD Journal
| Link | http://undeadly.org/ |
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| Updated | 2025-09-15 14:32 |
on (#3WQ8Y)
In aseriesofcommits,Todd Mortimer (mortimer@) has added RETGUARDfor the arm64 platform.We previously reported theaddition of RETGUARD for amd64.Read more…
on (#3WNDV)
Bob Beck (beck@ when wearing OpenBSD-only hat)has writtena tutorialon using libtls:
on (#3WMPW)
Ingo Schwarze (schwarze@ when wearing OpenBSD-only hat)wrote in to let us know about the new release:
on (#3WMPX)
Patrick Wildt (patrick@) has been experimenting with small I2C and SPI-connected displays, and withthis commit, it was enabled for armv7 and arm64 platforms as ssdfb(4) in -current.Read more…
on (#3VR81)
For the g2k18 Ljubljana hackathon, i decided to try and get ridof as many small userland tasks as possible.Lots of them have been piling up over time.Read more…
on (#3VR1T)
In amessageto tech@, Theo de Raadt (deraadt@) discusses the state of development ofunveil(2)support in userland (and for a certain port):Read more…
on (#3VN1T)
A new g2k18 hackathon report has arrived, this time from Kenneth Westerback (krw@), who writes:
on (#3VF22)
Philip Guenther (guenther@)and Bryan Steele (brynet@)have added more mitigations against speculative executionCPU vulnerabilitieson the amd64 platform.Read more…
on (#3VF23)
rad(8) [as described in the g2k18 hackathonreport byFlorian Obser (florian@)]is now the only IPv6router advertisement daemon in -current, following the removal ofrtadvd(8).Advice on making the transition has beenadded to current.html
on (#3V9Y5)
Claudio Jeker (claudio@) is next up with his report from Ljubljana:
on (#3V9Y6)
Another g2k18 hackathon report has arrived, this one fromCarlos Cardenas (ccardenas@), who writes:
on (#3V5SM)
The next g2k18 report comes from Klemens Nanni (kn@), who writes:
on (#3V37A)
Fresh from the just concluded hackathon in Ljubjlana comes our next report from Florian Obser(florian@) who writes:
on (#3V10A)
Next in from Ljubljana is Matthieu Herrb (matthieu@):
on (#3V07D)
Before winning the football world cup, the french were writing their hackathon reports. Here's the one from Antoine Jacoutot (ajacoutot@):
on (#3V03B)
Theg2k18hackathon has just concluded, and already we have our first report.Marc Espie (espie@) wrote in:
on (#3TREX)
In a change which is bound to be welcomed widely, -current has gained"auto-join" for Wi-Fi networks.Peter Hessler (phessler@) has been working on this for quite some time and he wrote about it in his p2k18 hackathon report. He has committedthe work from the g2k18 hackathon in Ljubljana:
on (#3TAC7)
In this post, Paul Smith shows how to reduce buffer bloat and improve interactive traffic latencies.
on (#3SQ5Q)
Reyk Floeter (reyk@) hascommittedsupport for simple request rewrites tohttpd(8)/httpd.conf(5) [in -current]:
on (#3SN18)
As part of ongoing mitigations against CPU vulnerabilities,-current has gained a new sysctl, "hw.smt",to control Simultaneous Multi Threading (SMT).This is disabled by default (only on Intel® CPUs, for now).Read more…
on (#3SDGD)
There have been more developments in the continuing work mitigatingagainst (Intel®, and potentially other) CPU vulnerabilities…Philip Guenther (guenther@)committed the following:Read more…
on (#3SDGE)
Reyk Floeter (reyk@) hascommitteda simple LDAP client to -current:
on (#3S8PT)
Earlier this month, Philip Guenther (guenther@)committed(to amd64 -current) a change from lazy to semi-eager FPU switchingto mitigate against rumored FPU state leakagein Intel® CPUs.Theo de Raadt (deraadt@) discussed this in hisBSDCan 2018session.Using information disclosed in Theo's talk,Colin Percivaldeveloped a proof-of-concept exploit in around 5 hours.This seems to have prompted an early end to an embargo(in which OpenBSD was not involved), and theofficial announcementof the vulnerability.
on (#3S1YN)
BSDCan 2018has concluded, and materials for (some of) the OpenBSD-related tutorials andtalks can be found inthe usual place.Highlights includethe unveiling of unveil(),hinted at by Bob Beck (beck@) in hisp2k18 report,and"Speculating about Intel", by Theo de Raadt (deraadt@). [An unofficial video of the latter presentation isavailable.]At the time of writing,officialvideo recordings are not yet available.
on (#3RQRX)
Todd Mortimer (mortimer@) hascommitted"RETGUARD" for clang (for amd64).This is a new anti-ROPsecurity mechanism, which uses random per-function cookiesto protect return addresses on the stack.Read more…
on (#3RHFE)
Joel Sing (jsing@) hascommittedCrypto Simplified Interface (CSI) to -current:
on (#3QZHJ)
Gilles Chehade (gilles@) hascommitted(to -current) the newsmtpd.confgrammar discussed inhis p2k18 hackathon report.Read more…
on (#3QDW4)
Next up in the stream of p2k18 reports is one from Antoine Jacoutot (ajacoutot@):
on (#3Q4M8)
Next up in our series of p2k18 hackathon reports is from Paul Irofti (pirofti@), who writes:
on (#3Q39Y)
Peter Hessler (phessler@) writes about his time in Nantes:
on (#3Q39Z)
Eric Faurot (eric@) is next with his report on what he did in Nantes:
on (#3Q3A0)
Stefan Sperling (stsp@) kindly sent in a report on his activities around p2k18:
on (#3Q3A1)
Our next p2k18 report comes from Christian "naddy" Weisgerber, who writes:
on (#3Q3A2)
Landry Breuil (landry@) has an extensive report for our readers:
on (#3Q3A3)
Next up with a p2k18 report is Jasper Lievisse Adriaanse (jasper@):
on (#3P3YZ)
Next up with a p2k18 report is Bob Beck (beck@):
on (#3P2DG)
Next up is the report from Ken Westerback (krw@):
on (#3P1C6)
The latest p2k18 hackathon report comes from Gilles Chehade (gilles@),who writes:
on (#3P1AQ)
As more and more developers arrive back home from France, more reports arrive to you to keep you informed of what happened in Nantes. This time, it's Philip Guenther (guenther@) who writes in with his report:
on (#3P0TF)
Next up in our series of p2k18 reports is that from Klemens Nanni (kn@):
on (#3NZY7)
Here is another report from the just concluded p2k18 hackathon, from Marc Espie (espie@), who writes:
on (#3NZ4J)
Working at p2k18, Theo de Raadt (deraadt@) hascommittedSpectre Variant 2 mitigations:
on (#3NTSH)
Working at p2k18, Eric Faurot (eric@) hascommitteda simple SMTP client to -current:
on (#3N45C)
Ken Westerback (krw@ when wearing his developer hat) writes:
on (#3N171)
In this commit, visa@ submitted code (disabled for now) to use built-in accelerationon octeon CPUs, much like AESNI for x86s.I decided to test tcpbench(1) and IPsec, before and after updating and enabling the octcrypto(4) driver.Read more…
on (#3MRRP)
The MAP_STACK anti-ROP mechanism described in a recentarticlehas beencommittedto-current.Thecommit messageincludes:
on (#3MRRQ)
Landry Breuil (landry@ when wearing his developer hat) wrotein…
on (#3KQDB)
April 2, 2018: The OpenBSDproject has announced the availability of the newest release,OpenBSD 6.3: