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add info about the grsec workarounds

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This commit is contained in:
Andy 2016-05-19 17:44:06 +02:00
parent b7b8e99e25
commit be8cb26430
Signed by: arno
GPG Key ID: 368DDA2E9A471EAC
1 changed files with 6 additions and 0 deletions
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@ -15,6 +15,12 @@ RUN apt-get update \
# Make HipChat grsec friendly
#
# To build the Docker image, I currently had to disable the following grsec protections:
# # grep -E "chroot_deny_chmod|chroot_deny_mknod|chroot_caps" /etc/sysctl.d/grsec.conf
# kernel.grsecurity.chroot_deny_chmod = 0
# kernel.grsecurity.chroot_deny_mknod = 0
# kernel.grsecurity.chroot_caps = 0 (relates to a systemd package)
#
# (runtime only, since xattrs are not preserved in Docker's final image)
# m: Disable MPROTECT // grsec: denied RWX mmap of <anonymous mapping>
# RUN setfattr -n user.pax.flags -v "m" /opt/HipChat4/lib/HipChat.bin /opt/HipChat4/lib/QtWebEngineProcess.bin