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  • VPN (pritunl): клиенты не видят интернет, куда копать?

    @jjdu82ksm9k Автор вопроса
    iptables:

    root@vpn:/etc/iptables# cat rules.v4
    # Generated by iptables-save v1.8.7 on Wed Oct 9 09:56:24 2024
    *filter
    :INPUT DROP [267:16561]
    :FORWARD DROP [0:0]
    :OUTPUT ACCEPT [0:0]
    :ufw-after-forward - [0:0]
    :ufw-after-input - [0:0]
    :ufw-after-logging-forward - [0:0]
    :ufw-after-logging-input - [0:0]
    :ufw-after-logging-output - [0:0]
    :ufw-after-output - [0:0]
    :ufw-before-forward - [0:0]
    :ufw-before-input - [0:0]
    :ufw-before-logging-forward - [0:0]
    :ufw-before-logging-input - [0:0]
    :ufw-before-logging-output - [0:0]
    :ufw-before-output - [0:0]
    :ufw-logging-allow - [0:0]
    :ufw-logging-deny - [0:0]
    :ufw-not-local - [0:0]
    :ufw-reject-forward - [0:0]
    :ufw-reject-input - [0:0]
    :ufw-reject-output - [0:0]
    :ufw-skip-to-policy-forward - [0:0]
    :ufw-skip-to-policy-input - [0:0]
    :ufw-skip-to-policy-output - [0:0]
    :ufw-track-forward - [0:0]
    :ufw-track-input - [0:0]
    :ufw-track-output - [0:0]
    :ufw-user-forward - [0:0]
    :ufw-user-input - [0:0]
    :ufw-user-limit - [0:0]
    :ufw-user-limit-accept - [0:0]
    :ufw-user-logging-forward - [0:0]
    :ufw-user-logging-input - [0:0]
    :ufw-user-logging-output - [0:0]
    :ufw-user-output - [0:0]
    -A INPUT -i tun0 -m comment --comment pritunl-6706739a1db3acab9d00b480 -j ACCEPT
    -A INPUT -j ufw-before-logging-input
    -A INPUT -j ufw-before-input
    -A INPUT -j ufw-after-input
    -A INPUT -j ufw-after-logging-input
    -A INPUT -j ufw-reject-input
    -A INPUT -j ufw-track-input
    -A FORWARD -o tun0 -m comment --comment pritunl-6706739a1db3acab9d00b480 -j ACCEPT
    -A FORWARD -i tun0 -m comment --comment pritunl-6706739a1db3acab9d00b480 -j ACCEPT
    -A FORWARD -j ufw-before-logging-forward
    -A FORWARD -j ufw-before-forward
    -A FORWARD -j ufw-after-forward
    -A FORWARD -j ufw-after-logging-forward
    -A FORWARD -j ufw-reject-forward
    -A FORWARD -j ufw-track-forward
    -A FORWARD -i %i -j ACCEPT
    -A FORWARD -o %i -j ACCEPT
    -A FORWARD -i %i -j ACCEPT
    -A FORWARD -o %i -j ACCEPT
    -A OUTPUT -o tun0 -m comment --comment pritunl-6706739a1db3acab9d00b480 -j ACCEPT
    -A OUTPUT -j ufw-before-logging-output
    -A OUTPUT -j ufw-before-output
    -A OUTPUT -j ufw-after-output
    -A OUTPUT -j ufw-after-logging-output
    -A OUTPUT -j ufw-reject-output
    -A OUTPUT -j ufw-track-output
    -A ufw-after-input -p udp -m udp --dport 137 -j ufw-skip-to-policy-input
    -A ufw-after-input -p udp -m udp --dport 138 -j ufw-skip-to-policy-input
    -A ufw-after-input -p tcp -m tcp --dport 139 -j ufw-skip-to-policy-input
    -A ufw-after-input -p tcp -m tcp --dport 445 -j ufw-skip-to-policy-input
    -A ufw-after-input -p udp -m udp --dport 67 -j ufw-skip-to-policy-input
    -A ufw-after-input -p udp -m udp --dport 68 -j ufw-skip-to-policy-input
    -A ufw-after-input -m addrtype --dst-type BROADCAST -j ufw-skip-to-policy-input
    -A ufw-after-logging-forward -m limit --limit 3/min --limit-burst 10 -j LOG --log-prefix "[UFW BLOCK] "
    -A ufw-after-logging-input -m limit --limit 3/min --limit-burst 10 -j LOG --log-prefix "[UFW BLOCK] "
    -A ufw-before-forward -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
    -A ufw-before-forward -p icmp -m icmp --icmp-type 3 -j ACCEPT
    -A ufw-before-forward -p icmp -m icmp --icmp-type 11 -j ACCEPT
    -A ufw-before-forward -p icmp -m icmp --icmp-type 12 -j ACCEPT
    -A ufw-before-forward -p icmp -m icmp --icmp-type 8 -j ACCEPT
    -A ufw-before-forward -j ufw-user-forward
    -A ufw-before-input -i lo -j ACCEPT
    -A ufw-before-input -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
    -A ufw-before-input -m conntrack --ctstate INVALID -j ufw-logging-deny
    -A ufw-before-input -m conntrack --ctstate INVALID -j DROP
    -A ufw-before-input -p icmp -m icmp --icmp-type 3 -j ACCEPT
    -A ufw-before-input -p icmp -m icmp --icmp-type 11 -j ACCEPT
    -A ufw-before-input -p icmp -m icmp --icmp-type 12 -j ACCEPT
    -A ufw-before-input -p icmp -m icmp --icmp-type 8 -j ACCEPT
    -A ufw-before-input -p udp -m udp --sport 67 --dport 68 -j ACCEPT
    -A ufw-before-input -j ufw-not-local
    -A ufw-before-input -d 224.0.0.251/32 -p udp -m udp --dport 5353 -j ACCEPT
    -A ufw-before-input -d 239.255.255.250/32 -p udp -m udp --dport 1900 -j ACCEPT
    -A ufw-before-input -j ufw-user-input
    -A ufw-before-output -o lo -j ACCEPT
    -A ufw-before-output -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
    -A ufw-before-output -j ufw-user-output
    -A ufw-logging-allow -m limit --limit 3/min --limit-burst 10 -j LOG --log-prefix "[UFW ALLOW] "
    -A ufw-logging-deny -m conntrack --ctstate INVALID -m limit --limit 3/min --limit-burst 10 -j RETURN
    -A ufw-logging-deny -m limit --limit 3/min --limit-burst 10 -j LOG --log-prefix "[UFW BLOCK] "
    -A ufw-not-local -m addrtype --dst-type LOCAL -j RETURN
    -A ufw-not-local -m addrtype --dst-type MULTICAST -j RETURN
    -A ufw-not-local -m addrtype --dst-type BROADCAST -j RETURN
    -A ufw-not-local -m limit --limit 3/min --limit-burst 10 -j ufw-logging-deny
    -A ufw-not-local -j DROP
    -A ufw-skip-to-policy-forward -j DROP
    -A ufw-skip-to-policy-input -j DROP
    -A ufw-skip-to-policy-output -j ACCEPT
    -A ufw-track-output -p tcp -m conntrack --ctstate NEW -j ACCEPT
    -A ufw-track-output -p udp -m conntrack --ctstate NEW -j ACCEPT
    -A ufw-user-input -p tcp -m tcp --dport 22 -j ACCEPT
    -A ufw-user-input -p udp -m udp --dport 22 -j ACCEPT
    -A ufw-user-input -p tcp -m tcp --dport 12881 -j ACCEPT
    -A ufw-user-input -p udp -m udp --dport 12881 -j ACCEPT
    -A ufw-user-limit -m limit --limit 3/min -j LOG --log-prefix "[UFW LIMIT BLOCK] "
    -A ufw-user-limit -j REJECT --reject-with icmp-port-unreachable
    -A ufw-user-limit-accept -j ACCEPT
    COMMIT
    # Completed on Wed Oct 9 09:56:24 2024
    # Generated by iptables-save v1.8.7 on Wed Oct 9 09:56:24 2024
    *nat
    :PREROUTING ACCEPT [0:0]
    :INPUT ACCEPT [0:0]
    :OUTPUT ACCEPT [0:0]
    :POSTROUTING ACCEPT [0:0]
    -A POSTROUTING -o ens3 -j SNAT --to-source 74.119.194.237
    COMMIT
    # Completed on Wed Oct 9 09:56:24 2024
    Написано
  • VPN (pritunl): клиенты не видят интернет, куда копать?

    @jjdu82ksm9k Автор вопроса
    root@vpn:~# iptables --list
    Chain INPUT (policy DROP)
    target     prot opt source               destination
    ACCEPT     all  --  anywhere             anywhere             /* pritunl-6706739a1db3acab9d00b480 */
    ufw-before-logging-input  all  --  anywhere             anywhere
    ufw-before-input  all  --  anywhere             anywhere
    ufw-after-input  all  --  anywhere             anywhere
    ufw-after-logging-input  all  --  anywhere             anywhere
    ufw-reject-input  all  --  anywhere             anywhere
    ufw-track-input  all  --  anywhere             anywhere
    
    Chain FORWARD (policy DROP)
    target     prot opt source               destination
    ACCEPT     all  --  anywhere             anywhere             /* pritunl-6706739a1db3acab9d00b480 */
    ACCEPT     all  --  anywhere             anywhere             /* pritunl-6706739a1db3acab9d00b480 */
    ufw-before-logging-forward  all  --  anywhere             anywhere
    ufw-before-forward  all  --  anywhere             anywhere
    ufw-after-forward  all  --  anywhere             anywhere
    ufw-after-logging-forward  all  --  anywhere             anywhere
    ufw-reject-forward  all  --  anywhere             anywhere
    ufw-track-forward  all  --  anywhere             anywhere
    ACCEPT     all  --  anywhere             anywhere
    ACCEPT     all  --  anywhere             anywhere
    ACCEPT     all  --  anywhere             anywhere
    ACCEPT     all  --  anywhere             anywhere
    
    Chain OUTPUT (policy ACCEPT)
    target     prot opt source               destination
    ACCEPT     all  --  anywhere             anywhere             /* pritunl-6706739a1db3acab9d00b480 */
    ufw-before-logging-output  all  --  anywhere             anywhere
    ufw-before-output  all  --  anywhere             anywhere
    ufw-after-output  all  --  anywhere             anywhere
    ufw-after-logging-output  all  --  anywhere             anywhere
    ufw-reject-output  all  --  anywhere             anywhere
    ufw-track-output  all  --  anywhere             anywhere
    
    Chain ufw-after-forward (1 references)
    target     prot opt source               destination
    
    Chain ufw-after-input (1 references)
    target     prot opt source               destination
    ufw-skip-to-policy-input  udp  --  anywhere             anywhere             udp dpt:netbios-ns
    ufw-skip-to-policy-input  udp  --  anywhere             anywhere             udp dpt:netbios-dgm
    ufw-skip-to-policy-input  tcp  --  anywhere             anywhere             tcp dpt:netbios-ssn
    ufw-skip-to-policy-input  tcp  --  anywhere             anywhere             tcp dpt:microsoft-ds
    ufw-skip-to-policy-input  udp  --  anywhere             anywhere             udp dpt:bootps
    ufw-skip-to-policy-input  udp  --  anywhere             anywhere             udp dpt:bootpc
    ufw-skip-to-policy-input  all  --  anywhere             anywhere             ADDRTYPE match dst-type BROADCAST
    
    Chain ufw-after-logging-forward (1 references)
    target     prot opt source               destination
    LOG        all  --  anywhere             anywhere             limit: avg 3/min burst 10 LOG level warning prefix "[UFW BLOCK] "
    
    Chain ufw-after-logging-input (1 references)
    target     prot opt source               destination
    LOG        all  --  anywhere             anywhere             limit: avg 3/min burst 10 LOG level warning prefix "[UFW BLOCK] "
    
    Chain ufw-after-logging-output (1 references)
    target     prot opt source               destination
    
    Chain ufw-after-output (1 references)
    target     prot opt source               destination
    
    Chain ufw-before-forward (1 references)
    target     prot opt source               destination
    ACCEPT     all  --  anywhere             anywhere             ctstate RELATED,ESTABLISHED
    ACCEPT     icmp --  anywhere             anywhere             icmp destination-unreachable
    ACCEPT     icmp --  anywhere             anywhere             icmp time-exceeded
    ACCEPT     icmp --  anywhere             anywhere             icmp parameter-problem
    ACCEPT     icmp --  anywhere             anywhere             icmp echo-request
    ufw-user-forward  all  --  anywhere             anywhere
    
    Chain ufw-before-input (1 references)
    target     prot opt source               destination
    ACCEPT     all  --  anywhere             anywhere
    ACCEPT     all  --  anywhere             anywhere             ctstate RELATED,ESTABLISHED
    ufw-logging-deny  all  --  anywhere             anywhere             ctstate INVALID
    DROP       all  --  anywhere             anywhere             ctstate INVALID
    ACCEPT     icmp --  anywhere             anywhere             icmp destination-unreachable
    ACCEPT     icmp --  anywhere             anywhere             icmp time-exceeded
    ACCEPT     icmp --  anywhere             anywhere             icmp parameter-problem
    ACCEPT     icmp --  anywhere             anywhere             icmp echo-request
    ACCEPT     udp  --  anywhere             anywhere             udp spt:bootps dpt:bootpc
    ufw-not-local  all  --  anywhere             anywhere
    ACCEPT     udp  --  anywhere             mdns.mcast.net       udp dpt:mdns
    ACCEPT     udp  --  anywhere             239.255.255.250      udp dpt:1900
    ufw-user-input  all  --  anywhere             anywhere
    
    Chain ufw-before-logging-forward (1 references)
    target     prot opt source               destination
    
    Chain ufw-before-logging-input (1 references)
    target     prot opt source               destination
    
    Chain ufw-before-logging-output (1 references)
    target     prot opt source               destination
    
    Chain ufw-before-output (1 references)
    target     prot opt source               destination
    ACCEPT     all  --  anywhere             anywhere
    ACCEPT     all  --  anywhere             anywhere             ctstate RELATED,ESTABLISHED
    ufw-user-output  all  --  anywhere             anywhere
    
    Chain ufw-logging-allow (0 references)
    target     prot opt source               destination
    LOG        all  --  anywhere             anywhere             limit: avg 3/min burst 10 LOG level warning prefix "[UFW ALLOW] "
    
    Chain ufw-logging-deny (2 references)
    target     prot opt source               destination
    RETURN     all  --  anywhere             anywhere             ctstate INVALID limit: avg 3/min burst 10
    LOG        all  --  anywhere             anywhere             limit: avg 3/min burst 10 LOG level warning prefix "[UFW BLOCK] "
    
    Chain ufw-not-local (1 references)
    target     prot opt source               destination
    RETURN     all  --  anywhere             anywhere             ADDRTYPE match dst-type LOCAL
    RETURN     all  --  anywhere             anywhere             ADDRTYPE match dst-type MULTICAST
    RETURN     all  --  anywhere             anywhere             ADDRTYPE match dst-type BROADCAST
    ufw-logging-deny  all  --  anywhere             anywhere             limit: avg 3/min burst 10
    DROP       all  --  anywhere             anywhere
    
    Chain ufw-reject-forward (1 references)
    target     prot opt source               destination
    
    Chain ufw-reject-input (1 references)
    target     prot opt source               destination
    
    Chain ufw-reject-output (1 references)
    target     prot opt source               destination
    
    Chain ufw-skip-to-policy-forward (0 references)
    target     prot opt source               destination
    DROP       all  --  anywhere             anywhere
    
    Chain ufw-skip-to-policy-input (7 references)
    target     prot opt source               destination
    DROP       all  --  anywhere             anywhere
    
    Chain ufw-skip-to-policy-output (0 references)
    target     prot opt source               destination
    ACCEPT     all  --  anywhere             anywhere
    
    Chain ufw-track-forward (1 references)
    target     prot opt source               destination
    
    Chain ufw-track-input (1 references)
    target     prot opt source               destination
    
    Chain ufw-track-output (1 references)
    target     prot opt source               destination
    ACCEPT     tcp  --  anywhere             anywhere             ctstate NEW
    ACCEPT     udp  --  anywhere             anywhere             ctstate NEW
    
    Chain ufw-user-forward (1 references)
    target     prot opt source               destination
    
    Chain ufw-user-input (1 references)
    target     prot opt source               destination
    ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:ssh
    ACCEPT     udp  --  anywhere             anywhere             udp dpt:22
    ACCEPT     tcp  --  anywhere             anywhere             tcp dpt:12881
    ACCEPT     udp  --  anywhere             anywhere             udp dpt:12881
    
    Chain ufw-user-limit (0 references)
    target     prot opt source               destination
    LOG        all  --  anywhere             anywhere             limit: avg 3/min burst 5 LOG level warning prefix "[UFW LIMIT BLOCK] "
    REJECT     all  --  anywhere             anywhere             reject-with icmp-port-unreachable
    
    Chain ufw-user-limit-accept (0 references)
    target     prot opt source               destination
    ACCEPT     all  --  anywhere             anywhere
    
    Chain ufw-user-logging-forward (0 references)
    target     prot opt source               destination
    
    Chain ufw-user-logging-input (0 references)
    target     prot opt source               destination
    
    Chain ufw-user-logging-output (0 references)
    target     prot opt source               destination
    
    Chain ufw-user-output (1 references)
    target     prot opt source               destination
    Написано