Cezary, a czy mógłbyś skomentować taką oto sytuację. Chodzi o to czy robię dobrze, czy jednak gdzieś jest błąd...
Bo jeżeli nawet źle coś ustawiam, to ktoś inny też może zrobić podobnie i potem może mieć tak jak ja, czyli.... 
1. Ustawiam regułę tak jak na zrzucie klikając "Dodaj nową regułę":
https://zapodaj.net/5c0807577e828.png.html
2. Otrzymuję taki oto obrazek:
https://zapodaj.net/219b88accd55c.png.html
3. Wszystko jest dobrze dopóki nie kliknę na samym dole w klawisz "Zapisz zmiany"
4. Od teraz router się restartuje za każdym razem jak tylko wywołam główną stronę 192.168.1.1
5. A oto logread co się dzieje:
Sun Jul 10 10:26:34 2016 daemon.err uhttpd[1464]: Bad argument `CONNMARK'
Sun Jul 10 10:26:34 2016 daemon.err uhttpd[1464]: Try `iptables -h' or 'iptables --help' for more information.
Sun Jul 10 10:26:34 2016 daemon.err uhttpd[1464]: Bad argument `CONNMARK'
Sun Jul 10 10:26:34 2016 daemon.err uhttpd[1464]: Try `iptables -h' or 'iptables --help' for more information.
Sun Jul 10 10:34:26 2016 kern.warn kernel: [ 957.140000] ipt_bandwidth: timezone shift of 120 minutes detected, adjusting
Sun Jul 10 10:34:26 2016 kern.warn kernel: [ 957.150000] old minutes west=0, new minutes west=-120
root@Gargoyle:/# [ 356.480000] Unhandled kernel unaligned access[#1]:
[ 356.480000] CPU: 0 PID: 3239 Comm: uhttpd Not tainted 3.18.36 #1
[ 356.480000] task: 838f26c0 ti: 82a52000 task.ti: 82a52000
[ 356.480000] $ 0 : 00000000 0000006d 20746567 20746567
[ 356.480000] $ 4 : 83802d00 000102d0 81088060 00000923
[ 356.480000] $ 8 : 00000cad 00000008 800a1914 00000057
[ 356.480000] $12 : 7f831738 77613340 7f8318f8 00528240
[ 356.480000] $16 : 83802d00 000102d0 82a53d40 801d684c
[ 356.480000] $20 : 00000800 7f831758 00000000 77612000
[ 356.480000] $24 : 00528254 8022395c
[ 356.480000] $28 : 82a52000 82a53ce8 00000018 8009e4fc
[ 356.480000] Hi : 0000050f
[ 356.480000] Lo : 0020c49b
[ 356.480000] epc : 8009e538 __kmalloc_track_caller+0x74/0x11c
[ 356.480000] Not tainted
[ 356.480000] ra : 8009e4fc __kmalloc_track_caller+0x38/0x11c
[ 356.480000] Status: 1100e403 KERNEL EXL IE
[ 356.480000] Cause : 40800010
[ 356.480000] BadVA : 20746567
[ 356.480000] PrId : 00019650 (MIPS 24KEc)
[ 356.480000] Modules linked in: rt2800soc rt2800pci rt2800mmio rt2800lib qcserial pppoe ppp_async option iptable_nat usb_wwan sierra_net sierra rt2x00soc rt2x00pci rt2x00mmio rt2x00lib rndis_host qmi_wwan pptp pppox ppp_generic nf_nat_pptp nf_nat_ipv4 nf_nat_amanda nf_conntrack_pptp nf_conntrack_ipv4 nf_conntrack_amanda mac80211 ipt_REJECT ipt_MASQUERADE huawei_cdc_ncm ebtable_nat ebtable_filter ebtable_broute cfg80211 cdc_ncm cdc_ether xt_time xt_tcpudp xt_tcpmss xt_string xt_statistic xt_state xt_recent xt_quota xt_pkttype xt_physdev xt_owner xt_nat xt_multiport xt_mark xt_mac xt_limit xt_length xt_iprange xt_id xt_hl xt_helper xt_ecn xt_dscp xt_conntrack xt_connmark xt_connlimit xt_connbytes xt_comment xt_addrtype xt_TCPMSS xt_REDIRECT xt_NETMAP xt_LOG xt_HL xt_DSCP xt_CT xt_CLASSIFY usbserial usbnet usblp ums_usbat ums_sddr55 ums_sddr09 ums_karma ums_jumpshot ums_isd200 ums_freecom ums_datafab ums_cypress ums_alauda ts_kmp ts_fsm ts_bm slhc nf_reject_ipv4 nf_nat_tftp nf_nat_snmp_basic nf_nat_sip nf_nat_proto_gre nf_nat_masquerade_ipv4 nf_nat_irc nf_nat_h323 nf_nat_ftp nf_nat nf_log_ipv4 nf_log_common nf_defrag_ipv4 nf_conntrack_tftp nf_conntrack_snmp nf_conntrack_sip nf_conntrack_rtcache nf_conntrack_proto_gre nf_conntrack_irc nf_conntrack_h323 nf_conntrack_ftp nf_conntrack_broadcast iptable_raw iptable_mangle iptable_filter ipt_ECN ip_tables ebtables ebt_vlan ebt_stp ebt_snat ebt_redirect ebt_pkttype ebt_mark_m ebt_mark ebt_limit ebt_ip ebt_dnat ebt_arpreply ebt_arpnat ebt_arp ebt_among ebt_802_3 crc_itu_t crc_ccitt compat cdc_wdm cdc_acm fuse sch_teql sch_tbf sch_sfq sch_red sch_prio sch_pie sch_htb sch_gred sch_fq sch_dsmark sch_codel em_text em_nbyte em_meta em_cmp cls_basic act_police act_ipt act_skbedit act_mirred em_u32 cls_u32 cls_tcindex cls_flow cls_route cls_fw sch_hfsc sch_ingress ledtrig_usbdev xt_IMQ imq ipt_weburl ipt_webmon ipt_timerange ipt_layer7 nf_conntrack ipt_bandwidth x_tables nfsd nfsv3 nfs msdos ip_gre gre ip_tunnel tun vfat fat lockd sunrpc grace hfsplus nls_utf8 nls_koi8_r nls_iso8859_2 nls_iso8859_15 nls_iso8859_13 nls_iso8859_1 nls_cp866 nls_cp852 nls_cp850 nls_cp775 nls_cp437 nls_cp1251 nls_cp1250 eeprom_93cx6 arc4 crypto_blkcipher usb_storage leds_gpio dwc2_platform dwc2 ohci_platform ohci_hcd ehci_platform ehci_hcd sd_mod scsi_mod gpio_button_hotplug ext4 jbd2 mbcache usbcore nls_base usb_common crc16 exportfs mii crypto_hash
[ 356.480000] Process uhttpd (pid: 3239, threadinfo=82a52000, task=838f26c0, tls=7764b750)
[ 356.480000] Stack : 82a28b60 8022d9f0 000005a8 000005a8 00000000 82a291e0 000000d0 801d6760
ffffffff 00000000 000200da 00000000 82a291e0 000000d0 83857000 0000075f
00000001 801d684c 00000004 7f831758 82801300 82a28b60 00000048 82801300
82801300 82801300 00000610 7f831758 ffffffe0 80223290 fffffff5 82801300
82a28b60 00000048 82801300 82a28b60 00000018 80223f50 810884b0 00000003
...
[ 356.480000] Call Trace:
[ 356.480000] [<8009e538>] __kmalloc_track_caller+0x74/0x11c
[ 356.480000] [<8009e4fc>] __kmalloc_track_caller+0x38/0x11c
[ 356.480000]
[ 356.480000]
Code: 32238000 8e030014 00431821 <8c640000> 41676000 30e70001 000000c0 8e030000 8c660000
[ 357.220000] ---[ end trace 8f168d21ba81629f ]---
[ 357.230000] Unhandled kernel unaligned access[#2]:
[ 357.230000] CPU: 0 PID: 3239 Comm: uhttpd Tainted: G D 3.18.36 #1
[ 357.230000] task: 838f26c0 ti: 82a52000 task.ti: 82a52000
[ 357.230000] $ 0 : 00000000 00000000 20746567 20746567
[ 357.230000] $ 4 : 83802d00 00010220 81088060 00000020
[ 357.230000] $ 8 : 00000cad 00000000 00000010 a1182820
[ 357.230000] $12 : 0000000a 82a2ef20 00000000 00000000
[ 357.230000] $16 : 83802d00 00010220 00000000 801d6f58
[ 357.230000] $20 : 00000700 00000000 00000016 828a8502
[ 357.230000] $24 : 00000010 8001feac
[ 357.230000] $28 : 82a52000 82a53518 838eab20 8009e4fc
[ 357.230000] Hi : 00000000
[ 357.230000] Lo : 00000000
[ 357.230000] epc : 8009e538 __kmalloc_track_caller+0x74/0x11c
[ 357.230000] Tainted: G D
[ 357.230000] ra : 8009e4fc __kmalloc_track_caller+0x38/0x11c
[ 357.230000] Status: 1100e403 KERNEL EXL IE
[ 357.230000] Cause : 40800010
[ 357.230000] BadVA : 20746567
[ 357.230000] PrId : 00019650 (MIPS 24KEc)
[ 357.230000] Modules linked in: rt2800soc rt2800pci rt2800mmio rt2800lib qcserial pppoe ppp_async option iptable_nat usb_wwan sierra_net sierra rt2x00soc rt2x00pci rt2x00mmio rt2x00lib rndis_host qmi_wwan pptp pppox ppp_generic nf_nat_pptp nf_nat_ipv4 nf_nat_amanda nf_conntrack_pptp nf_conntrack_ipv4 nf_conntrack_amanda mac80211 ipt_REJECT ipt_MASQUERADE huawei_cdc_ncm ebtable_nat ebtable_filter ebtable_broute cfg80211 cdc_ncm cdc_ether xt_time xt_tcpudp xt_tcpmss xt_string xt_statistic xt_state xt_recent xt_quota xt_pkttype xt_physdev xt_owner xt_nat xt_multiport xt_mark xt_mac xt_limit xt_length xt_iprange xt_id xt_hl xt_helper xt_ecn xt_dscp xt_conntrack xt_connmark xt_connlimit xt_connbytes xt_comment xt_addrtype xt_TCPMSS xt_REDIRECT xt_NETMAP xt_LOG xt_HL xt_DSCP xt_CT xt_CLASSIFY usbserial usbnet usblp ums_usbat ums_sddr55 ums_sddr09 ums_karma ums_jumpshot ums_isd200 ums_freecom ums_datafab ums_cypress ums_alauda ts_kmp ts_fsm ts_bm slhc nf_reject_ipv4 nf_nat_tftp nf_nat_snmp_basic nf_nat_sip nf_nat_proto_gre nf_nat_masquerade_ipv4 nf_nat_irc nf_nat_h323 nf_nat_ftp nf_nat nf_log_ipv4 nf_log_common nf_defrag_ipv4 nf_conntrack_tftp nf_conntrack_snmp nf_conntrack_sip nf_conntrack_rtcache nf_conntrack_proto_gre nf_conntrack_irc nf_conntrack_h323 nf_conntrack_ftp nf_conntrack_broadcast iptable_raw iptable_mangle iptable_filter ipt_ECN ip_tables ebtables ebt_vlan ebt_stp ebt_snat ebt_redirect ebt_pkttype ebt_mark_m ebt_mark ebt_limit ebt_ip ebt_dnat ebt_arpreply ebt_arpnat ebt_arp ebt_among ebt_802_3 crc_itu_t crc_ccitt compat cdc_wdm cdc_acm fuse sch_teql sch_tbf sch_sfq sch_red sch_prio sch_pie sch_htb sch_gred sch_fq sch_dsmark sch_codel em_text em_nbyte em_meta em_cmp cls_basic act_police act_ipt act_skbedit act_mirred em_u32 cls_u32 cls_tcindex cls_flow cls_route cls_fw sch_hfsc sch_ingress ledtrig_usbdev xt_IMQ imq ipt_weburl ipt_webmon ipt_timerange ipt_layer7 nf_conntrack ipt_bandwidth x_tables nfsd nfsv3 nfs msdos ip_gre gre ip_tunnel tun vfat fat lockd sunrpc grace hfsplus nls_utf8 nls_koi8_r nls_iso8859_2 nls_iso8859_15 nls_iso8859_13 nls_iso8859_1 nls_cp866 nls_cp852 nls_cp850 nls_cp775 nls_cp437 nls_cp1251 nls_cp1250 eeprom_93cx6 arc4 crypto_blkcipher usb_storage leds_gpio dwc2_platform dwc2 ohci_platform ohci_hcd ehci_platform ehci_hcd sd_mod scsi_mod gpio_button_hotplug ext4 jbd2 mbcache usbcore nls_base usb_common crc16 exportfs mii crypto_hash
[ 357.230000] Process uhttpd (pid: 3239, threadinfo=82a52000, task=838f26c0, tls=7764b750)
[ 357.230000] Stack : ffffffff e0000081 83bb8400 801bc848 83932e00 82a2e9c0 00000020 801d6760
[ 357.230000] 02aae8ee 40850000 00000000 e0000081 82a2e9c0 83bd4420 00000020 00000000
[ 357.230000] 00000001 801d6f58 ffffffff 801bc848 83bb8400 82a28c20 838eab20 83bd4420
[ 357.230000] 00000018 00000000 00000006 00000000 00000016 829a54e8 838a0000 82938740
[ 357.230000] 0000ea60 81cda568 82a2e9c0 829a6128 83bb8400 82a28c20 83932e00 838a0000
[ 357.230000] ...
[ 357.230000] Call Trace:
[ 357.230000] [<8009e538>] __kmalloc_track_caller+0x74/0x11c
[ 357.230000] [<8009e4fc>] __kmalloc_track_caller+0x38/0x11c
[ 357.230000]
[ 357.230000]
[ 357.230000] Code: 32238000 8e030014 00431821 <8c640000> 41676000 30e70001 000000c0 8e030000 8c660000
[ 357.230000] ---[ end trace 8f168d21ba8162a0 ]---
[ 357.230000] Kernel panic - not syncing: Fatal exception in interrupt
[ 357.230000] Rebooting in 3 seconds..
Xiaomi AX3000T @ Netgear R6220
* DVBT2 - T230C *