UnknownSec Bypass 403

: /lib/sysctl.d/ [ drwxr-xr-x ]
name : 50-default.conf # This file is part of systemd. # # systemd is free software; you can redistribute it and/or modify it # under the terms of the GNU Lesser General Public License as published by # the Free Software Foundation; either version 2.1 of the License, or # (at your option) any later version. # See sysctl.d(5) and core(5) for documentation. # To override settings in this file, create a local file in /etc # (e.g. /etc/sysctl.d/90-override.conf), and put any assignments # there. # Promote secondary addresses when the primary address is removed net.ipv4.conf.default.promote_secondaries = 1 net.ipv4.conf.*.promote_secondaries = 1 -net.ipv4.conf.all.promote_secondaries # ping(8) without CAP_NET_ADMIN and CAP_NET_RAW # The upper limit is set to 2^31-1. Values greater than that get rejected by # the kernel because of this definition in linux/include/net/ping.h: # #define GID_T_MAX (((gid_t)~0U) >> 1) # That's not so bad because values between 2^31 and 2^32-1 are reserved on # systemd-based systems anyway: https://systemd.io/UIDS-GIDS.html#summary -net.ipv4.ping_group_range = 0 2147483647 # Fair Queue CoDel packet scheduler to fight bufferbloat net.core.default_qdisc = fq_codel # Enable regular file and FIFO protection fs.protected_regular = 1 fs.protected_fifos = 1