cat /etc/sysctl.conf # # /etc/sysctl.conf - Configuration file for setting system variables # See /etc/sysctl.d/ for additional system variables. # See sysctl.conf (5) for information. #
#kernel.domainname = example.com # Uncomment the following to stop low-level messages on console #kernel.printk = 3 4 1 3 ##############################################################3 # Functions previously found in netbase # # Uncomment the next two lines to enable Spoof protection (reverse-path filter) # Turn on Source Address Verification in all interfaces to # prevent some spoofing attacks #net.ipv4.conf.default.rp_filter=1 #net.ipv4.conf.all.rp_filter=1 # Uncomment the next line to enable TCP/IP SYN cookies # See http://lwn.net/Articles/277146/ # Note: This may impact IPv6 TCP sessions too #net.ipv4.tcp_syncookies=1 # Uncomment the next line to enable packet forwarding for IPv4 #net.ipv4.ip_forward=1 # Uncomment the next line to enable packet forwarding for IPv6 # Enabling this option disables Stateless Address Autoconfiguration # based on Router Advertisements for this host #net.ipv6.conf.all.forwarding=1 ################################################################### # Additional settings - these settings can improve the network # security of the host and prevent against some network attacks # including spoofing attacks and man in the middle attacks through # redirection. Some network environments, however, require that these # settings are disabled so review and enable them as needed. # # Do not accept ICMP redirects (prevent MITM attacks) #net.ipv4.conf.all.accept_redirects = 0 #net.ipv6.conf.all.accept_redirects = 0 # _or_ # Accept ICMP redirects only for gateways listed in our default # gateway list (enabled by default) # net.ipv4.conf.all.secure_redirects = 1 # # Do not send ICMP redirects (we are not a router) #net.ipv4.conf.all.send_redirects = 0 # # Do not accept IP source route packets (we are not a router) #net.ipv4.conf.all.accept_source_route = 0 #net.ipv6.conf.all.accept_source_route = 0 # # Log Martian Packets #net.ipv4.conf.all.log_martians = 1 # ################################################################### # Magic system request Key # 0=disable, 1=enable all, >1 bitmask of sysrq functions # See https://www.kernel.org/doc/html/latest/admin-guide/sysrq.html # for what other values do #kernel.sysrq=438 # added by Insync fs.inotify.max_user_watches=1048576 # IPv6 disabled net.ipv6.conf.all.disable_ipv6 = 1 net.ipv6.conf.default.disable_ipv6 = 1 net.ipv6.conf.lo.disable_ipv6 = 1 [ste Projects] =)o -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1910856 Title: Ubuntu 20.04.1 - network-manager instable with Centrino Advanced-N 6235 wifi Status in network-manager package in Ubuntu: New Bug description: Hello, I am facing an intermittent problem after upgrading to 20.04. I keep loosing the wifi connection and requested to put the wifi password again. I troubleshut the problem on forum.ubuntu-it.org (https://forum.ubuntu-it.org/viewtopic.php?f=9&t=643817&start=20&sid=3100928dda5ea320e82d5db653e95611) but we could not figure it out. I am reporting here the same information provided to the forum and I am available to provide more. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: network-manager 1.22.10-1ubuntu2.2 ProcVersionSignature: Ubuntu 5.4.0-58.64-generic 5.4.73 Uname: Linux 5.4.0-58-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.14 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME Date: Sat Jan 9 14:57:23 2021 IfupdownConfig: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback InstallationDate: Installed on 2014-12-18 (2213 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) IpRoute: default via 192.168.1.1 dev wlan1 proto dhcp metric 600 169.254.0.0/16 dev wlan1 scope link metric 1000 192.168.1.0/24 dev wlan1 proto kernel scope link src 192.168.1.179 metric 600 SourcePackage: network-manager UpgradeStatus: Upgraded to focal on 2020-10-31 (70 days ago) modified.conffile..etc.NetworkManager.conf.d.default-wifi-powersave-on.conf: [connection] wifi.powersave = 2 mtime.conffile..etc.NetworkManager.conf.d.default-wifi-powersave-on.conf: 2019-01-14T23:22:39.355283 nmcli-dev: DEVICE TYPE STATE IP4-CONNECTIVITY IP6-CONNECTIVITY DBUS-PATH CONNECTION CON-UUID CON-PATH wlan1 wifi connected full none /org/freedesktop/NetworkManager/Devices/3 TIM-18679861 817f1693-1daa-4c3e-b81f-46d576414c34 /org/freedesktop/NetworkManager/ActiveConnection/1 eth0 ethernet unavailable none none /org/freedesktop/NetworkManager/Devices/2 -- -- -- lo loopback unmanaged unknown unknown /org/freedesktop/NetworkManager/Devices/1 -- -- -- nmcli-nm: RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW WIFI WWAN-HW WWAN running 1.22.10 connected started full enabled enabled enabled enabled enabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1910856/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp

