Symfony Profiler

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        \n
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        \n
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        - No spam posting.\n
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        \n
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        \n
        - [awesome-selfhosted software](https://github.com/awesome-selfhosted/awesome-selfhosted)\n
        - [awesome-sysadmin](https://github.com/awesome-foss/awesome-sysadmin) resources\n
        - [Self-Hosted Podcast from Jupiter Broadcasting](https://selfhosted.show)\n
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    +url: null
    +body: """
      cross-posted to: [sh.itjust.works/post/12856689](https://sh.itjust.works/post/12856689)\n
      \n
      ---\n
      \n
      I have the following topology:\n
      \n
      ![](https://sh.itjust.works/pictrs/image/f134ad1b-a822-45ed-a9a8-387fdecafac6.png)\n
      \n
      The device running Nextcloud (snap) used to be connected to Router A, but I have recently added a bridge (Router B) and I moved Nextcloud’s device to that bridged network; however, as soon as Nextcloud was moved to Router B, the portforward on Router A seemed to stop working – as in I cannot connect to nexcloud from the public IP anymore. Bridges operate at layer 2, so this *should* make no difference whatsoever (this is reflected in the fact that other services (like SSH) still work perfectly fine portforwarded – it’s only Nextcloud that doesn’t work), which leads me to think that it is a Layer 7 (i.e. Nextcloud) issue. What’s going on here? How can Nextcloud even tell that it’s been placed on a bridged network?\n
      \n
      **EDIT (2024-01-16T00:19Z):**\n
      \n
      I performed a network capture on the device running Nextcloud, and it appears that it’s receiving the incoming request (`SYN`), and responds appropriately (`SYN, ACK`), but then Router B responds with `Destination unreachable (Network unreachable)`, which is then, of course, followed by many requests for retransmission as the packets are being dropped. But what’s causing the packets to be dropped? Why aren’t they making it through the network?\n
      \n
      **EDIT (2024-01-25T08:37Z):**\n
      \n
      I’m not 100% sure what the previous problem was, but I think that it had to do with [the bridge](https://web.archive.org/web/2/https://openwrt.org/docs/guide-user/network/wifi/relay_configuration) that I was using – not necessarily that it was broken, but perhaps it was jsut incompatible with the setup in some way. What I ended up doing was buying [a different router that supported WDS](https://web.archive.org/web/20240120035823/https://www.linksys.com/ca/dual-band-ax3200-wifi-6-router-e8450/E8450-CA.html), and then I created a WDS bridge between the two routers. The network seems to be working reliably, and as expected now.
      """
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        \n
        Rules:\n
        \n
        - Be civil: we’re here to support and learn from one another. Insults won’t be tolerated. Flame wars are frowned upon.\n
        - No spam posting.\n
        - Don’t duplicate the full text of your blog or github here. Just post the link for folks to click.\n
        - Submission headline should match the article title (don’t cherry-pick information from the title to fit your agenda).\n
        - No trolling.\n
        \n
        Resources:\n
        \n
        - [awesome-selfhosted software](https://github.com/awesome-selfhosted/awesome-selfhosted)\n
        - [awesome-sysadmin](https://github.com/awesome-foss/awesome-sysadmin) resources\n
        - [Self-Hosted Podcast from Jupiter Broadcasting](https://selfhosted.show)\n
        \n
        > Any issues on the community? Report it using the report flag.\n
        \n
        > Questions? DM the mods!
        """
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    +slug: "WORKAROUND-Nextcloud-portforward-stops-working-when-it-is-moved-to"
    +title: "[WORKAROUND] Nextcloud portforward stops working when it is moved to a bridged network"
    +url: null
    +body: """
      cross-posted to: [sh.itjust.works/post/12856689](https://sh.itjust.works/post/12856689)\n
      \n
      ---\n
      \n
      I have the following topology:\n
      \n
      ![](https://sh.itjust.works/pictrs/image/f134ad1b-a822-45ed-a9a8-387fdecafac6.png)\n
      \n
      The device running Nextcloud (snap) used to be connected to Router A, but I have recently added a bridge (Router B) and I moved Nextcloud’s device to that bridged network; however, as soon as Nextcloud was moved to Router B, the portforward on Router A seemed to stop working – as in I cannot connect to nexcloud from the public IP anymore. Bridges operate at layer 2, so this *should* make no difference whatsoever (this is reflected in the fact that other services (like SSH) still work perfectly fine portforwarded – it’s only Nextcloud that doesn’t work), which leads me to think that it is a Layer 7 (i.e. Nextcloud) issue. What’s going on here? How can Nextcloud even tell that it’s been placed on a bridged network?\n
      \n
      **EDIT (2024-01-16T00:19Z):**\n
      \n
      I performed a network capture on the device running Nextcloud, and it appears that it’s receiving the incoming request (`SYN`), and responds appropriately (`SYN, ACK`), but then Router B responds with `Destination unreachable (Network unreachable)`, which is then, of course, followed by many requests for retransmission as the packets are being dropped. But what’s causing the packets to be dropped? Why aren’t they making it through the network?\n
      \n
      **EDIT (2024-01-25T08:37Z):**\n
      \n
      I’m not 100% sure what the previous problem was, but I think that it had to do with [the bridge](https://web.archive.org/web/2/https://openwrt.org/docs/guide-user/network/wifi/relay_configuration) that I was using – not necessarily that it was broken, but perhaps it was jsut incompatible with the setup in some way. What I ended up doing was buying [a different router that supported WDS](https://web.archive.org/web/20240120035823/https://www.linksys.com/ca/dual-band-ax3200-wifi-6-router-e8450/E8450-CA.html), and then I created a WDS bridge between the two routers. The network seems to be working reliably, and as expected now.
      """
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[
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]

App\Twig\Components\DateComponent {#3252
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    date: 2024-01-16 00:44:16.0 +01:00
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}

[
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App\Twig\Components\DateEditedComponent {#3316
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[
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        \n
        Rules:\n
        \n
        - Be civil: we’re here to support and learn from one another. Insults won’t be tolerated. Flame wars are frowned upon.\n
        - No spam posting.\n
        - Don’t duplicate the full text of your blog or github here. Just post the link for folks to click.\n
        - Submission headline should match the article title (don’t cherry-pick information from the title to fit your agenda).\n
        - No trolling.\n
        \n
        Resources:\n
        \n
        - [awesome-selfhosted software](https://github.com/awesome-selfhosted/awesome-selfhosted)\n
        - [awesome-sysadmin](https://github.com/awesome-foss/awesome-sysadmin) resources\n
        - [Self-Hosted Podcast from Jupiter Broadcasting](https://selfhosted.show)\n
        \n
        > Any issues on the community? Report it using the report flag.\n
        \n
        > Questions? DM the mods!
        """
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        date: 2023-12-25 04:10:26.0 +01:00
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    +domain: Proxies\__CG__\App\Entity\Domain {#1915 …}
    +slug: "WORKAROUND-Nextcloud-portforward-stops-working-when-it-is-moved-to"
    +title: "[WORKAROUND] Nextcloud portforward stops working when it is moved to a bridged network"
    +url: null
    +body: """
      cross-posted to: [sh.itjust.works/post/12856689](https://sh.itjust.works/post/12856689)\n
      \n
      ---\n
      \n
      I have the following topology:\n
      \n
      ![](https://sh.itjust.works/pictrs/image/f134ad1b-a822-45ed-a9a8-387fdecafac6.png)\n
      \n
      The device running Nextcloud (snap) used to be connected to Router A, but I have recently added a bridge (Router B) and I moved Nextcloud’s device to that bridged network; however, as soon as Nextcloud was moved to Router B, the portforward on Router A seemed to stop working – as in I cannot connect to nexcloud from the public IP anymore. Bridges operate at layer 2, so this *should* make no difference whatsoever (this is reflected in the fact that other services (like SSH) still work perfectly fine portforwarded – it’s only Nextcloud that doesn’t work), which leads me to think that it is a Layer 7 (i.e. Nextcloud) issue. What’s going on here? How can Nextcloud even tell that it’s been placed on a bridged network?\n
      \n
      **EDIT (2024-01-16T00:19Z):**\n
      \n
      I performed a network capture on the device running Nextcloud, and it appears that it’s receiving the incoming request (`SYN`), and responds appropriately (`SYN, ACK`), but then Router B responds with `Destination unreachable (Network unreachable)`, which is then, of course, followed by many requests for retransmission as the packets are being dropped. But what’s causing the packets to be dropped? Why aren’t they making it through the network?\n
      \n
      **EDIT (2024-01-25T08:37Z):**\n
      \n
      I’m not 100% sure what the previous problem was, but I think that it had to do with [the bridge](https://web.archive.org/web/2/https://openwrt.org/docs/guide-user/network/wifi/relay_configuration) that I was using – not necessarily that it was broken, but perhaps it was jsut incompatible with the setup in some way. What I ended up doing was buying [a different router that supported WDS](https://web.archive.org/web/20240120035823/https://www.linksys.com/ca/dual-band-ax3200-wifi-6-router-e8450/E8450-CA.html), and then I created a WDS bridge between the two routers. The network seems to be working reliably, and as expected now.
      """
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        \n
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        - [awesome-sysadmin](https://github.com/awesome-foss/awesome-sysadmin) resources\n
        - [Self-Hosted Podcast from Jupiter Broadcasting](https://selfhosted.show)\n
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      cross-posted to: [sh.itjust.works/post/12856689](https://sh.itjust.works/post/12856689)\n
      \n
      ---\n
      \n
      I have the following topology:\n
      \n
      ![](https://sh.itjust.works/pictrs/image/f134ad1b-a822-45ed-a9a8-387fdecafac6.png)\n
      \n
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      \n
      **EDIT (2024-01-16T00:19Z):**\n
      \n
      I performed a network capture on the device running Nextcloud, and it appears that it’s receiving the incoming request (`SYN`), and responds appropriately (`SYN, ACK`), but then Router B responds with `Destination unreachable (Network unreachable)`, which is then, of course, followed by many requests for retransmission as the packets are being dropped. But what’s causing the packets to be dropped? Why aren’t they making it through the network?\n
      \n
      **EDIT (2024-01-25T08:37Z):**\n
      \n
      I’m not 100% sure what the previous problem was, but I think that it had to do with [the bridge](https://web.archive.org/web/2/https://openwrt.org/docs/guide-user/network/wifi/relay_configuration) that I was using – not necessarily that it was broken, but perhaps it was jsut incompatible with the setup in some way. What I ended up doing was buying [a different router that supported WDS](https://web.archive.org/web/20240120035823/https://www.linksys.com/ca/dual-band-ax3200-wifi-6-router-e8450/E8450-CA.html), and then I created a WDS bridge between the two routers. The network seems to be working reliably, and as expected now.
      """
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        \n
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        - [awesome-sysadmin](https://github.com/awesome-foss/awesome-sysadmin) resources\n
        - [Self-Hosted Podcast from Jupiter Broadcasting](https://selfhosted.show)\n
        \n
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      cross-posted to: [sh.itjust.works/post/12856689](https://sh.itjust.works/post/12856689)\n
      \n
      ---\n
      \n
      I have the following topology:\n
      \n
      ![](https://sh.itjust.works/pictrs/image/f134ad1b-a822-45ed-a9a8-387fdecafac6.png)\n
      \n
      The device running Nextcloud (snap) used to be connected to Router A, but I have recently added a bridge (Router B) and I moved Nextcloud’s device to that bridged network; however, as soon as Nextcloud was moved to Router B, the portforward on Router A seemed to stop working – as in I cannot connect to nexcloud from the public IP anymore. Bridges operate at layer 2, so this *should* make no difference whatsoever (this is reflected in the fact that other services (like SSH) still work perfectly fine portforwarded – it’s only Nextcloud that doesn’t work), which leads me to think that it is a Layer 7 (i.e. Nextcloud) issue. What’s going on here? How can Nextcloud even tell that it’s been placed on a bridged network?\n
      \n
      **EDIT (2024-01-16T00:19Z):**\n
      \n
      I performed a network capture on the device running Nextcloud, and it appears that it’s receiving the incoming request (`SYN`), and responds appropriately (`SYN, ACK`), but then Router B responds with `Destination unreachable (Network unreachable)`, which is then, of course, followed by many requests for retransmission as the packets are being dropped. But what’s causing the packets to be dropped? Why aren’t they making it through the network?\n
      \n
      **EDIT (2024-01-25T08:37Z):**\n
      \n
      I’m not 100% sure what the previous problem was, but I think that it had to do with [the bridge](https://web.archive.org/web/2/https://openwrt.org/docs/guide-user/network/wifi/relay_configuration) that I was using – not necessarily that it was broken, but perhaps it was jsut incompatible with the setup in some way. What I ended up doing was buying [a different router that supported WDS](https://web.archive.org/web/20240120035823/https://www.linksys.com/ca/dual-band-ax3200-wifi-6-router-e8450/E8450-CA.html), and then I created a WDS bridge between the two routers. The network seems to be working reliably, and as expected now.
      """
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        - [awesome-sysadmin](https://github.com/awesome-foss/awesome-sysadmin) resources\n
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      cross-posted to: [sh.itjust.works/post/12856689](https://sh.itjust.works/post/12856689)\n
      \n
      ---\n
      \n
      I have the following topology:\n
      \n
      ![](https://sh.itjust.works/pictrs/image/f134ad1b-a822-45ed-a9a8-387fdecafac6.png)\n
      \n
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      \n
      **EDIT (2024-01-16T00:19Z):**\n
      \n
      I performed a network capture on the device running Nextcloud, and it appears that it’s receiving the incoming request (`SYN`), and responds appropriately (`SYN, ACK`), but then Router B responds with `Destination unreachable (Network unreachable)`, which is then, of course, followed by many requests for retransmission as the packets are being dropped. But what’s causing the packets to be dropped? Why aren’t they making it through the network?\n
      \n
      **EDIT (2024-01-25T08:37Z):**\n
      \n
      I’m not 100% sure what the previous problem was, but I think that it had to do with [the bridge](https://web.archive.org/web/2/https://openwrt.org/docs/guide-user/network/wifi/relay_configuration) that I was using – not necessarily that it was broken, but perhaps it was jsut incompatible with the setup in some way. What I ended up doing was buying [a different router that supported WDS](https://web.archive.org/web/20240120035823/https://www.linksys.com/ca/dual-band-ax3200-wifi-6-router-e8450/E8450-CA.html), and then I created a WDS bridge between the two routers. The network seems to be working reliably, and as expected now.
      """
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        \n
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        - [Self-Hosted Podcast from Jupiter Broadcasting](https://selfhosted.show)\n
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      cross-posted to: [sh.itjust.works/post/12856689](https://sh.itjust.works/post/12856689)\n
      \n
      ---\n
      \n
      I have the following topology:\n
      \n
      ![](https://sh.itjust.works/pictrs/image/f134ad1b-a822-45ed-a9a8-387fdecafac6.png)\n
      \n
      The device running Nextcloud (snap) used to be connected to Router A, but I have recently added a bridge (Router B) and I moved Nextcloud’s device to that bridged network; however, as soon as Nextcloud was moved to Router B, the portforward on Router A seemed to stop working – as in I cannot connect to nexcloud from the public IP anymore. Bridges operate at layer 2, so this *should* make no difference whatsoever (this is reflected in the fact that other services (like SSH) still work perfectly fine portforwarded – it’s only Nextcloud that doesn’t work), which leads me to think that it is a Layer 7 (i.e. Nextcloud) issue. What’s going on here? How can Nextcloud even tell that it’s been placed on a bridged network?\n
      \n
      **EDIT (2024-01-16T00:19Z):**\n
      \n
      I performed a network capture on the device running Nextcloud, and it appears that it’s receiving the incoming request (`SYN`), and responds appropriately (`SYN, ACK`), but then Router B responds with `Destination unreachable (Network unreachable)`, which is then, of course, followed by many requests for retransmission as the packets are being dropped. But what’s causing the packets to be dropped? Why aren’t they making it through the network?\n
      \n
      **EDIT (2024-01-25T08:37Z):**\n
      \n
      I’m not 100% sure what the previous problem was, but I think that it had to do with [the bridge](https://web.archive.org/web/2/https://openwrt.org/docs/guide-user/network/wifi/relay_configuration) that I was using – not necessarily that it was broken, but perhaps it was jsut incompatible with the setup in some way. What I ended up doing was buying [a different router that supported WDS](https://web.archive.org/web/20240120035823/https://www.linksys.com/ca/dual-band-ax3200-wifi-6-router-e8450/E8450-CA.html), and then I created a WDS bridge between the two routers. The network seems to be working reliably, and as expected now.
      """
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        \n
        Rules:\n
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        - No spam posting.\n
        - Don’t duplicate the full text of your blog or github here. Just post the link for folks to click.\n
        - Submission headline should match the article title (don’t cherry-pick information from the title to fit your agenda).\n
        - No trolling.\n
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        - [awesome-sysadmin](https://github.com/awesome-foss/awesome-sysadmin) resources\n
        - [Self-Hosted Podcast from Jupiter Broadcasting](https://selfhosted.show)\n
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    +body: """
      cross-posted to: [sh.itjust.works/post/12856689](https://sh.itjust.works/post/12856689)\n
      \n
      ---\n
      \n
      I have the following topology:\n
      \n
      ![](https://sh.itjust.works/pictrs/image/f134ad1b-a822-45ed-a9a8-387fdecafac6.png)\n
      \n
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      \n
      **EDIT (2024-01-16T00:19Z):**\n
      \n
      I performed a network capture on the device running Nextcloud, and it appears that it’s receiving the incoming request (`SYN`), and responds appropriately (`SYN, ACK`), but then Router B responds with `Destination unreachable (Network unreachable)`, which is then, of course, followed by many requests for retransmission as the packets are being dropped. But what’s causing the packets to be dropped? Why aren’t they making it through the network?\n
      \n
      **EDIT (2024-01-25T08:37Z):**\n
      \n
      I’m not 100% sure what the previous problem was, but I think that it had to do with [the bridge](https://web.archive.org/web/2/https://openwrt.org/docs/guide-user/network/wifi/relay_configuration) that I was using – not necessarily that it was broken, but perhaps it was jsut incompatible with the setup in some way. What I ended up doing was buying [a different router that supported WDS](https://web.archive.org/web/20240120035823/https://www.linksys.com/ca/dual-band-ax3200-wifi-6-router-e8450/E8450-CA.html), and then I created a WDS bridge between the two routers. The network seems to be working reliably, and as expected now.
      """
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          - [awesome-sysadmin](https://github.com/awesome-foss/awesome-sysadmin) resources\n
          - [Self-Hosted Podcast from Jupiter Broadcasting](https://selfhosted.show)\n
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        cross-posted to: [sh.itjust.works/post/12856689](https://sh.itjust.works/post/12856689)\n
        \n
        ---\n
        \n
        I have the following topology:\n
        \n
        ![](https://sh.itjust.works/pictrs/image/f134ad1b-a822-45ed-a9a8-387fdecafac6.png)\n
        \n
        The device running Nextcloud (snap) used to be connected to Router A, but I have recently added a bridge (Router B) and I moved Nextcloud’s device to that bridged network; however, as soon as Nextcloud was moved to Router B, the portforward on Router A seemed to stop working – as in I cannot connect to nexcloud from the public IP anymore. Bridges operate at layer 2, so this *should* make no difference whatsoever (this is reflected in the fact that other services (like SSH) still work perfectly fine portforwarded – it’s only Nextcloud that doesn’t work), which leads me to think that it is a Layer 7 (i.e. Nextcloud) issue. What’s going on here? How can Nextcloud even tell that it’s been placed on a bridged network?\n
        \n
        **EDIT (2024-01-16T00:19Z):**\n
        \n
        I performed a network capture on the device running Nextcloud, and it appears that it’s receiving the incoming request (`SYN`), and responds appropriately (`SYN, ACK`), but then Router B responds with `Destination unreachable (Network unreachable)`, which is then, of course, followed by many requests for retransmission as the packets are being dropped. But what’s causing the packets to be dropped? Why aren’t they making it through the network?\n
        \n
        **EDIT (2024-01-25T08:37Z):**\n
        \n
        I’m not 100% sure what the previous problem was, but I think that it had to do with [the bridge](https://web.archive.org/web/2/https://openwrt.org/docs/guide-user/network/wifi/relay_configuration) that I was using – not necessarily that it was broken, but perhaps it was jsut incompatible with the setup in some way. What I ended up doing was buying [a different router that supported WDS](https://web.archive.org/web/20240120035823/https://www.linksys.com/ca/dual-band-ax3200-wifi-6-router-e8450/E8450-CA.html), and then I created a WDS bridge between the two routers. The network seems to be working reliably, and as expected now.
        """
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          \n
          Rules:\n
          \n
          - Be civil: we’re here to support and learn from one another. Insults won’t be tolerated. Flame wars are frowned upon.\n
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          - Submission headline should match the article title (don’t cherry-pick information from the title to fit your agenda).\n
          - No trolling.\n
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          Resources:\n
          \n
          - [awesome-selfhosted software](https://github.com/awesome-selfhosted/awesome-selfhosted)\n
          - [awesome-sysadmin](https://github.com/awesome-foss/awesome-sysadmin) resources\n
          - [Self-Hosted Podcast from Jupiter Broadcasting](https://selfhosted.show)\n
          \n
          > Any issues on the community? Report it using the report flag.\n
          \n
          > Questions? DM the mods!
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      +slug: "WORKAROUND-Nextcloud-portforward-stops-working-when-it-is-moved-to"
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      +body: """
        cross-posted to: [sh.itjust.works/post/12856689](https://sh.itjust.works/post/12856689)\n
        \n
        ---\n
        \n
        I have the following topology:\n
        \n
        ![](https://sh.itjust.works/pictrs/image/f134ad1b-a822-45ed-a9a8-387fdecafac6.png)\n
        \n
        The device running Nextcloud (snap) used to be connected to Router A, but I have recently added a bridge (Router B) and I moved Nextcloud’s device to that bridged network; however, as soon as Nextcloud was moved to Router B, the portforward on Router A seemed to stop working – as in I cannot connect to nexcloud from the public IP anymore. Bridges operate at layer 2, so this *should* make no difference whatsoever (this is reflected in the fact that other services (like SSH) still work perfectly fine portforwarded – it’s only Nextcloud that doesn’t work), which leads me to think that it is a Layer 7 (i.e. Nextcloud) issue. What’s going on here? How can Nextcloud even tell that it’s been placed on a bridged network?\n
        \n
        **EDIT (2024-01-16T00:19Z):**\n
        \n
        I performed a network capture on the device running Nextcloud, and it appears that it’s receiving the incoming request (`SYN`), and responds appropriately (`SYN, ACK`), but then Router B responds with `Destination unreachable (Network unreachable)`, which is then, of course, followed by many requests for retransmission as the packets are being dropped. But what’s causing the packets to be dropped? Why aren’t they making it through the network?\n
        \n
        **EDIT (2024-01-25T08:37Z):**\n
        \n
        I’m not 100% sure what the previous problem was, but I think that it had to do with [the bridge](https://web.archive.org/web/2/https://openwrt.org/docs/guide-user/network/wifi/relay_configuration) that I was using – not necessarily that it was broken, but perhaps it was jsut incompatible with the setup in some way. What I ended up doing was buying [a different router that supported WDS](https://web.archive.org/web/20240120035823/https://www.linksys.com/ca/dual-band-ax3200-wifi-6-router-e8450/E8450-CA.html), and then I created a WDS bridge between the two routers. The network seems to be working reliably, and as expected now.
        """
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    +body: "Your bridge isn’t bridging properly. If Router B is sending a destination unreachable then the packets are being handled on it further up the stack at layer 3 by some sort of routing component rather than by a layer 2 bridging one."
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