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Accepted
Zobayer Hasan
Asked: 2019-04-11 08:55:14 +0800 CST

Fedora 29 无法连接到 L2TP VPN 网络

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我曾经从我的 F29 笔记本电脑连接到工作场所的 VPN 网络。自过去 3 天以来，它一直无法建立连接，到目前为止，我无法自行确定出了什么问题。F29 没有详细报告任何问题。简单地告诉我Activation of network connection failed。

连接类型：使用 PSK 到 L2TP 主机的具有 IPSec 隧道的 VPN。没有指定算法。

我尝试过的事情：

  • 重新创建连接，但它没有工作。
  • 能够从我的家庭网络连接到我的 Android 手机中的 VPN，并从其他网络连接到我朋友的 mac。
  • 能够从我的 F29（家庭网络）ping 网关 IP。
  • 联系了我的 VPN 管理员，当我尝试从 F29 连接到 VPN 时，他通知我他根本没有收到任何请求。
  • 不确定这是否与问题有关，但像 PureVPN 这样的 VPN 服务仍然可以从 F29 运行。

可能相关的日志：

系统版本：5.0.5-200.fc29.x86_64

用于nmcli列出连接并获取它们的 UUID：

# nmcli con show
NAME              UUID                                  TYPE      DEVICE    
........................................................................
...............................redacted.................................
........................................................................
TigerIT           f67aaed5-a0c3-454d-8c06-f7efcf03efe8  vpn       --

最后一行是我的 VPN 连接的名称。当我尝试使用 连接到我的 VPNnmcli时，我得到以下输出：

# nmcli con up uuid f67aaed5-a0c3-454d-8c06-f7efcf03efe8
Error: Connection activation failed: Unknown reason

我查找了此类错误，但到目前为止找不到任何对我有用的东西。

journalctl -f尝试连接时的输出：

（我编辑了一些 pluto 和网络管理员的 dst 日志以使其更短一些）

Apr 10 21:52:18 hyperion NetworkManager[1094]: <info>  [1554911538.3635] audit: op="connection-activate" uuid="f67aaed5-a0c3-454d-8c06-f7efcf03efe8" name="TigerIT" pid=1893 uid=1000 result="success"
Apr 10 21:52:18 hyperion NetworkManager[1094]: <info>  [1554911538.3673] vpn-connection[0x55af17c044f0,f67aaed5-a0c3-454d-8c06-f7efcf03efe8,"TigerIT",0]: Started the VPN service, PID 10846
Apr 10 21:52:18 hyperion NetworkManager[1094]: <info>  [1554911538.3748] vpn-connection[0x55af17c044f0,f67aaed5-a0c3-454d-8c06-f7efcf03efe8,"TigerIT",0]: Saw the service appear; activating connection
Apr 10 21:52:18 hyperion NetworkManager[1094]: <info>  [1554911538.3791] vpn-connection[0x55af17c044f0,f67aaed5-a0c3-454d-8c06-f7efcf03efe8,"TigerIT",0]: VPN connection: (ConnectInteractive) reply received
Apr 10 21:52:18 hyperion nm-l2tp-service[10846]: Check port 1701
Apr 10 21:52:18 hyperion NetworkManager[1094]: Redirecting to: systemctl restart ipsec.service
Apr 10 21:52:18 hyperion systemd[1]: Stopping Internet Key Exchange (IKE) Protocol Daemon for IPsec...
Apr 10 21:52:18 hyperion pluto[10438]: shutting down
Apr 10 21:52:18 hyperion audit[10438]: CRYPTO_IPSEC_SA pid=10438 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:ipsec_t:s0 msg='op=destroy conn-name="f67aaed5-a0c3-454d-8c06-f7efcf03efe8" connstate=8, satype=ipsec-policy samode=transport cipher=none ksize=0 integ=none in-spi=0(0x00000000) out-spi=1365708687(0x1365708687) in-ipcomp=0(0x00000000) out-ipcomp=0(0x00000000) laddr=192.1 exe="/usr/libexec/ipsec/pluto" hostname=? addr=123.49.3.114 terminal=? res=success'
Apr 10 21:52:18 hyperion audit[10438]: CRYPTO_IKE_SA pid=10438 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:ipsec_t:s0 msg='op=destroy direction=initiator conn-name="f67aaed5-a0c3-454d-8c06-f7efcf03efe8" connstate=6 ike-version=1 auth=PRESHARED_KEY cipher=aes ksize=256 integ=sha256 prf=sha256 pfs=MODP2048  laddr=192.168.0.101 exe="/usr/libexec/ipsec/pluto" hostname=? addr=123.49.3.114 terminal=? res=success'
Apr 10 21:52:18 hyperion pluto[10438]: forgetting secrets
Apr 10 21:52:18 hyperion whack[10860]: 002 shutting down
Apr 10 21:52:18 hyperion pluto[10438]: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8": deleting non-instance connection
Apr 10 21:52:18 hyperion pluto[10438]: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #8: deleting state (STATE_QUICK_I1) and NOT sending notification
Apr 10 21:52:18 hyperion pluto[10438]: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #6: deleting state (STATE_MAIN_I4) and sending notification
Apr 10 21:52:18 hyperion pluto[10438]: shutting down interface lo/lo ::1:500
Apr 10 21:52:18 hyperion pluto[10438]: shutting down interface lo/lo 127.0.0.1:4500
Apr 10 21:52:18 hyperion pluto[10438]: shutting down interface lo/lo 127.0.0.1:500
Apr 10 21:52:18 hyperion pluto[10438]: shutting down interface wlp0s20u2/wlp0s20u2 192.168.0.101:4500
Apr 10 21:52:18 hyperion pluto[10438]: shutting down interface wlp0s20u2/wlp0s20u2 192.168.0.101:500
Apr 10 21:52:18 hyperion pluto[10438]: shutting down interface virbr0/virbr0 192.168.122.1:4500
Apr 10 21:52:18 hyperion pluto[10438]: shutting down interface virbr0/virbr0 192.168.122.1:500
Apr 10 21:52:18 hyperion pluto[10438]: leak detective found no leaks
Apr 10 21:52:18 hyperion audit: MAC_IPSEC_EVENT op=SPD-delete auid=4294967295 ses=4294967295 subj=system_u:system_r:ifconfig_t:s0 res=1 src=0000:0000:0000:0000:0000:0000:0000:0000 src_prefixlen=0 dst=0000:0000:0000:0000:0000:0000:0000:0000 dst_prefixlen=0
Apr 10 21:52:18 hyperion audit: MAC_IPSEC_EVENT op=SPD-delete auid=4294967295 ses=4294967295 subj=system_u:system_r:ifconfig_t:s0 res=1 src=0000:0000:0000:0000:0000:0000:0000:0000 src_prefixlen=0 dst=0000:0000:0000:0000:0000:0000:0000:0000 dst_prefixlen=0
Apr 10 21:52:18 hyperion audit: MAC_IPSEC_EVENT op=SPD-delete auid=4294967295 ses=4294967295 subj=system_u:system_r:ifconfig_t:s0 res=1 src=0000:0000:0000:0000:0000:0000:0000:0000 src_prefixlen=0 dst=0000:0000:0000:0000:0000:0000:0000:0000 dst_prefixlen=0
Apr 10 21:52:18 hyperion audit: MAC_IPSEC_EVENT op=SPD-delete auid=4294967295 ses=4294967295 subj=system_u:system_r:ifconfig_t:s0 res=1 src=0000:0000:0000:0000:0000:0000:0000:0000 src_prefixlen=0 dst=0000:0000:0000:0000:0000:0000:0000:0000 dst_prefixlen=0
Apr 10 21:52:18 hyperion audit: MAC_IPSEC_EVENT op=SPD-delete auid=4294967295 ses=4294967295 subj=system_u:system_r:ifconfig_t:s0 res=1 src=0000:0000:0000:0000:0000:0000:0000:0000 src_prefixlen=0 dst=0000:0000:0000:0000:0000:0000:0000:0000 dst_prefixlen=0
Apr 10 21:52:18 hyperion audit: MAC_IPSEC_EVENT op=SPD-delete auid=4294967295 ses=4294967295 subj=system_u:system_r:ifconfig_t:s0 res=1 src=0000:0000:0000:0000:0000:0000:0000:0000 src_prefixlen=0 dst=0000:0000:0000:0000:0000:0000:0000:0000 dst_prefixlen=0
Apr 10 21:52:18 hyperion audit: MAC_IPSEC_EVENT op=SAD-delete auid=4294967295 ses=4294967295 subj=system_u:system_r:ifconfig_t:s0 src=123.49.3.114 dst=192.168.0.101 spi=1365708687(0x51670f8f) res=1
Apr 10 21:52:18 hyperion audit: MAC_IPSEC_EVENT op=SAD-delete auid=4294967295 ses=4294967295 subj=system_u:system_r:ifconfig_t:s0 src=123.49.3.114 dst=192.168.0.101 spi=3823187978(0xe3e1380a) res=1
Apr 10 21:52:18 hyperion ipsec[10863]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Apr 10 21:52:18 hyperion libipsecconf[10865]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Apr 10 21:52:18 hyperion systemd[1]: Stopped Internet Key Exchange (IKE) Protocol Daemon for IPsec.
Apr 10 21:52:18 hyperion audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0 msg='unit=ipsec comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
Apr 10 21:52:18 hyperion systemd[1]: Starting Internet Key Exchange (IKE) Protocol Daemon for IPsec...
Apr 10 21:52:18 hyperion addconn[10869]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Apr 10 21:52:18 hyperion libipsecconf[10869]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Apr 10 21:52:18 hyperion _stackmanager[10870]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Apr 10 21:52:18 hyperion libipsecconf[10872]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Apr 10 21:52:18 hyperion _stackmanager[10870]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Apr 10 21:52:18 hyperion libipsecconf[10877]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Apr 10 21:52:18 hyperion ipsec[11156]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Apr 10 21:52:18 hyperion libipsecconf[11158]: warning: could not open include filename: '/etc/ipsec.d/*.conf'
Apr 10 21:52:18 hyperion ipsec[11156]: nflog ipsec capture disabled
...
Apr 10 21:52:18 hyperion NetworkManager[1094]: 002 listening for IKE messages
Apr 10 21:52:18 hyperion pluto[11167]: | refresh. setup callback for interface lo:500 24
Apr 10 21:52:18 hyperion pluto[11167]: | setup callback for interface lo:500 fd 24
Apr 10 21:52:18 hyperion NetworkManager[1094]: 002 forgetting secrets
Apr 10 21:52:18 hyperion NetworkManager[1094]: 002 loading secrets from "/etc/ipsec.secrets"
Apr 10 21:52:18 hyperion NetworkManager[1094]: 002 loading secrets from "/etc/ipsec.d/ipsec.nm-l2tp.secrets"
Apr 10 21:52:18 hyperion pluto[11167]: | refresh. setup callback for interface lo:4500 23
Apr 10 21:52:18 hyperion pluto[11167]: | setup callback for interface lo:4500 fd 23
Apr 10 21:52:18 hyperion pluto[11167]: | refresh. setup callback for interface lo:500 22
Apr 10 21:52:18 hyperion pluto[11167]: | setup callback for interface lo:500 fd 22
Apr 10 21:52:18 hyperion pluto[11167]: | refresh. setup callback for interface wlp0s20u2:4500 21
Apr 10 21:52:18 hyperion pluto[11167]: | setup callback for interface wlp0s20u2:4500 fd 21
Apr 10 21:52:18 hyperion pluto[11167]: | refresh. setup callback for interface wlp0s20u2:500 20
Apr 10 21:52:18 hyperion pluto[11167]: | setup callback for interface wlp0s20u2:500 fd 20
Apr 10 21:52:18 hyperion pluto[11167]: | refresh. setup callback for interface virbr0:4500 19
Apr 10 21:52:18 hyperion pluto[11167]: | setup callback for interface virbr0:4500 fd 19
Apr 10 21:52:18 hyperion pluto[11167]: | refresh. setup callback for interface virbr0:500 18
Apr 10 21:52:18 hyperion pluto[11167]: | setup callback for interface virbr0:500 fd 18
Apr 10 21:52:18 hyperion pluto[11167]: forgetting secrets
Apr 10 21:52:18 hyperion pluto[11167]: loading secrets from "/etc/ipsec.secrets"
Apr 10 21:52:18 hyperion pluto[11167]: loading secrets from "/etc/ipsec.d/ipsec.nm-l2tp.secrets"
Apr 10 21:52:18 hyperion NetworkManager[1094]: debugging mode enabled
Apr 10 21:52:18 hyperion NetworkManager[1094]: end of file /var/run/nm-l2tp-f67aaed5-a0c3-454d-8c06-f7efcf03efe8/ipsec.conf
Apr 10 21:52:18 hyperion NetworkManager[1094]: Loading conn f67aaed5-a0c3-454d-8c06-f7efcf03efe8
Apr 10 21:52:18 hyperion NetworkManager[1094]: starter: left is KH_DEFAULTROUTE
Apr 10 21:52:18 hyperion NetworkManager[1094]: conn: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" modecfgdns=<unset>
Apr 10 21:52:18 hyperion NetworkManager[1094]: conn: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" modecfgdomains=<unset>
Apr 10 21:52:18 hyperion NetworkManager[1094]: conn: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" modecfgbanner=<unset>
Apr 10 21:52:18 hyperion NetworkManager[1094]: conn: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" mark=<unset>
Apr 10 21:52:18 hyperion NetworkManager[1094]: conn: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" mark-in=<unset>
Apr 10 21:52:18 hyperion NetworkManager[1094]: conn: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" mark-out=<unset>
Apr 10 21:52:18 hyperion NetworkManager[1094]: conn: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" vti_iface=<unset>
Apr 10 21:52:18 hyperion NetworkManager[1094]: opening file: /var/run/nm-l2tp-f67aaed5-a0c3-454d-8c06-f7efcf03efe8/ipsec.conf
Apr 10 21:52:18 hyperion NetworkManager[1094]: loading named conns: f67aaed5-a0c3-454d-8c06-f7efcf03efe8
...
Apr 10 21:52:18 hyperion NetworkManager[1094]: seeking_src = 0, seeking_gateway = 0, has_peer = 1
Apr 10 21:52:18 hyperion pluto[11167]: added connection description "f67aaed5-a0c3-454d-8c06-f7efcf03efe8"
Apr 10 21:52:18 hyperion pluto[11167]: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: initiating Main Mode
Apr 10 21:52:18 hyperion NetworkManager[1094]: 002 "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: initiating Main Mode
Apr 10 21:52:18 hyperion NetworkManager[1094]: 104 "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: STATE_MAIN_I1: initiate
Apr 10 21:52:19 hyperion pluto[11167]: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: STATE_MAIN_I1: retransmission; will wait 0.5 seconds for response
Apr 10 21:52:19 hyperion NetworkManager[1094]: 010 "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: STATE_MAIN_I1: retransmission; will wait 0.5 seconds for response
Apr 10 21:52:19 hyperion pluto[11167]: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: STATE_MAIN_I1: retransmission; will wait 1 seconds for response
Apr 10 21:52:19 hyperion NetworkManager[1094]: 010 "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: STATE_MAIN_I1: retransmission; will wait 1 seconds for response
Apr 10 21:52:20 hyperion pluto[11167]: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: STATE_MAIN_I1: retransmission; will wait 2 seconds for response
Apr 10 21:52:20 hyperion NetworkManager[1094]: 010 "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: STATE_MAIN_I1: retransmission; will wait 2 seconds for response
Apr 10 21:52:22 hyperion pluto[11167]: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: STATE_MAIN_I1: retransmission; will wait 4 seconds for response
Apr 10 21:52:22 hyperion NetworkManager[1094]: 010 "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: STATE_MAIN_I1: retransmission; will wait 4 seconds for response
Apr 10 21:52:26 hyperion pluto[11167]: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: STATE_MAIN_I1: retransmission; will wait 8 seconds for response
Apr 10 21:52:26 hyperion NetworkManager[1094]: 010 "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: STATE_MAIN_I1: retransmission; will wait 8 seconds for response
Apr 10 21:52:27 hyperion pluto[11167]: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: WARNING: connection f67aaed5-a0c3-454d-8c06-f7efcf03efe8 PSK length of 12 bytes is too short for sha2_256 PRF in FIPS mode (16 bytes required)
Apr 10 21:52:27 hyperion NetworkManager[1094]: 002 "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: WARNING: connection f67aaed5-a0c3-454d-8c06-f7efcf03efe8 PSK length of 12 bytes is too short for sha2_256 PRF in FIPS mode (16 bytes required)
Apr 10 21:52:27 hyperion pluto[11167]: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: STATE_MAIN_I2: sent MI2, expecting MR2
Apr 10 21:52:27 hyperion NetworkManager[1094]: 106 "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: STATE_MAIN_I2: sent MI2, expecting MR2
Apr 10 21:52:27 hyperion pluto[11167]: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: STATE_MAIN_I3: sent MI3, expecting MR3
Apr 10 21:52:27 hyperion NetworkManager[1094]: 108 "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: STATE_MAIN_I3: sent MI3, expecting MR3
Apr 10 21:52:27 hyperion pluto[11167]: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: Peer ID is ID_IPV4_ADDR: '123.49.3.114'
Apr 10 21:52:27 hyperion audit[11167]: CRYPTO_IKE_SA pid=11167 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:ipsec_t:s0 msg='op=start direction=initiator conn-name="f67aaed5-a0c3-454d-8c06-f7efcf03efe8" connstate=1 ike-version=1 auth=PRESHARED_KEY cipher=aes ksize=256 integ=sha256 prf=sha256 pfs=MODP2048  laddr=192.168.0.101 exe="/usr/libexec/ipsec/pluto" hostname=? addr=123.49.3.114 terminal=? res=success'
Apr 10 21:52:27 hyperion NetworkManager[1094]: 002 "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: Peer ID is ID_IPV4_ADDR: '123.49.3.114'
Apr 10 21:52:27 hyperion NetworkManager[1094]: 004 "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: STATE_MAIN_I4: ISAKMP SA established {auth=PRESHARED_KEY cipher=AES_CBC_256 integ=HMAC_SHA2_256 group=MODP2048}
Apr 10 21:52:27 hyperion NetworkManager[1094]: 002 "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #2: initiating Quick Mode PSK+ENCRYPT+PFS+UP+IKEV1_ALLOW+SAREF_TRACK+IKE_FRAG_ALLOW+ESN_NO {using isakmp#1 msgid:21e48c60 proposal=defaults pfsgroup=MODP2048}
Apr 10 21:52:27 hyperion pluto[11167]: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: STATE_MAIN_I4: ISAKMP SA established {auth=PRESHARED_KEY cipher=AES_CBC_256 integ=HMAC_SHA2_256 group=MODP2048}
Apr 10 21:52:27 hyperion pluto[11167]: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #2: initiating Quick Mode PSK+ENCRYPT+PFS+UP+IKEV1_ALLOW+SAREF_TRACK+IKE_FRAG_ALLOW+ESN_NO {using isakmp#1 msgid:21e48c60 proposal=defaults pfsgroup=MODP2048}
Apr 10 21:52:27 hyperion NetworkManager[1094]: 117 "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #2: STATE_QUICK_I1: initiate
Apr 10 21:52:27 hyperion pluto[11167]: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: ignoring informational payload NO_PROPOSAL_CHOSEN, msgid=00000000, length=16
Apr 10 21:52:27 hyperion pluto[11167]: | ISAKMP Notification Payload
Apr 10 21:52:27 hyperion pluto[11167]: |   00 00 00 10  00 00 00 01  03 04 00 0e
Apr 10 21:52:27 hyperion pluto[11167]: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #1: received and ignored notification payload: NO_PROPOSAL_CHOSEN
Apr 10 21:52:27 hyperion pluto[11167]: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #2: STATE_QUICK_I1: retransmission; will wait 0.5 seconds for response
Apr 10 21:52:27 hyperion NetworkManager[1094]: 010 "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #2: STATE_QUICK_I1: retransmission; will wait 0.5 seconds for response
Apr 10 21:52:28 hyperion pluto[11167]: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #2: STATE_QUICK_I1: retransmission; will wait 1 seconds for response
Apr 10 21:52:28 hyperion NetworkManager[1094]: 010 "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #2: STATE_QUICK_I1: retransmission; will wait 1 seconds for response
Apr 10 21:52:28 hyperion nm-l2tp-service[10846]: g_dbus_method_invocation_take_error: assertion 'error != NULL' failed
Apr 10 21:52:28 hyperion NetworkManager[1094]: <info>  [1554911548.9644] vpn-connection[0x55af17c044f0,f67aaed5-a0c3-454d-8c06-f7efcf03efe8,"TigerIT",0]: VPN plugin: state changed: stopped (6)
Apr 10 21:52:28 hyperion NetworkManager[1094]: <info>  [1554911548.9674] vpn-connection[0x55af17c044f0,f67aaed5-a0c3-454d-8c06-f7efcf03efe8,"TigerIT",0]: VPN service disappeared
Apr 10 21:52:28 hyperion NetworkManager[1094]: <warn>  [1554911548.9687] vpn-connection[0x55af17c044f0,f67aaed5-a0c3-454d-8c06-f7efcf03efe8,"TigerIT",0]: VPN connection: failed to connect: 'Message recipient disconnected from message bus without replying'
Apr 10 21:52:29 hyperion pluto[11167]: "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #2: STATE_QUICK_I1: retransmission; will wait 2 seconds for response
Apr 10 21:52:29 hyperion NetworkManager[1094]: 010 "f67aaed5-a0c3-454d-8c06-f7efcf03efe8" #2: STATE_QUICK_I1: retransmission; will wait 2 seconds for response
...

我检查了警告，这些似乎是无害的。我不明白为什么网络管理器无法保持连接。

我怎样才能弄清楚出了什么问题以及如何解决它？

vpn

1 个回答

  1. Best Answer

    关于“忽略信息负载 NO_PROPOSAL_CHOSEN”错误，请参阅 libreswan FAQ 了解原因：

    在 IPsec 设置对话框中，尝试单击“禁用 PFS”，此选项已添加到 NetworkManager-l2tp-1.2.12 并且之前已禁用。听起来您的工作场所 VPN 服务器可能不支持完美前向保密。

    • 2

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