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SHARMAN-4090 : LAN SSH not working in 6.3 SDK #385

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SHARMAN-4090 : LAN SSH not working in 6.3 SDK #385

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376e392
SHARMAN-4090 -- LAN SSH not working in 6.3 SDK
umasankar096 Jul 24, 2026
27f8908
SHARMAN-4090 -- LAN SSH not working in 6.3 SDK
umasankar096 Jul 24, 2026
845e96d
SHARMAN-4090 -- LAN SSH not working in 6.3 SDK
umasankar096 Jul 24, 2026
444c8f7
SHARMAN-4090 -- LAN SSH not working in 6.3 SDK
umasankar096 Jul 24, 2026
deba9e4
SHARMAN-4090 -- LAN SSH not working in 6.3 SDK
umasankar096 Jul 24, 2026
89e4d6f
Merge branch 'develop' into SHARMAN-4090_utopia_July24
snayak002c Jul 30, 2026
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27 changes: 6 additions & 21 deletions source/firewall/firewall.c
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Original file line number Diff line number Diff line change
Expand Up @@ -10880,24 +10880,6 @@ static int do_wan2lan(FILE *fp)
return(0);
}

/*
* Procedure : do_block_lan_access_to_wan_ssh
* Purpose : To block SSH using WAN IP from LAN client
* Parameters :
* fp : An open file to write rules to block SSH using WAN IP in LAN client
* Return Values :
* 0 : Success
*/
#if defined(_SR213_PRODUCT_REQ_) || defined(_SCER11BEL_PRODUCT_REQ_) || defined(_HUB4_PRODUCT_REQ_) || defined(_XER2_PRODUCT_REQ_)
static int do_block_lan_access_to_wan_ssh(FILE *fp)
{
FIREWALL_DEBUG("Entering do_block_lan_access_to_wan_ssh\n");
fprintf(fp, "-I INPUT 1 -i %s -d %s -p tcp --dport 10022 -j REJECT\n", lan_ifname, current_wan_ipaddr);
FIREWALL_DEBUG("Exiting do_block_lan_access_to_wan_ssh\n");
return(0);
}
#endif

/*
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umasankar098 marked this conversation as resolved.
==========================================================================
Ephemeral filter rules
Expand Down Expand Up @@ -14001,9 +13983,12 @@ static int prepare_enabled_ipv4_firewall(FILE *raw_fp, FILE *mangle_fp, FILE *na
do_lan2wan(mangle_fp, filter_fp, nat_fp);
do_wan2lan(filter_fp);
do_filter_table_general_rules(filter_fp);
#if defined(_SR213_PRODUCT_REQ_) || defined(_SCER11BEL_PRODUCT_REQ_) || defined(_HUB4_PRODUCT_REQ_) || defined(_XER2_PRODUCT_REQ_)
if(isWanReady)
do_block_lan_access_to_wan_ssh(filter_fp);
#if defined(_SR213_PRODUCT_REQ_) || defined(_HUB4_PRODUCT_REQ_)
if (strcmp ( devicePartnerId, "sky-uk") == 0 || strcmp ( devicePartnerId, "sky-italia") == 0)
{
if(isWanReady)
do_block_lan_access_to_wan_ssh(filter_fp, lan_ifname, current_wan_ipaddr);
}
#endif
#if defined(SPEED_BOOST_SUPPORTED)
WAN_FAILOVER_SUPPORT_CHECK
Expand Down
25 changes: 25 additions & 0 deletions source/firewall/firewall_custom.h
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Original file line number Diff line number Diff line change
Expand Up @@ -310,6 +310,30 @@ int do_hub4_mapt_rules_v4(FILE *nat_fp, FILE *filter_fp);
*/
int do_hub4_bfd_rules_v4(FILE *nat_fp, FILE *filter_fp, FILE *mangle_fp);

#if defined(_SR213_PRODUCT_REQ_) || defined(_HUB4_PRODUCT_REQ_)
/**
* @brief Blocks SSH connection from WAN IP through brlan0
*
* @param[in] filter_fp - Pointer to the FILE stream for writing filter table rules.
*
* @return The status of the operation.
* @retval 0 on success.
*
*/

int do_block_lan_access_to_wan_ssh(FILE *filter_fp, char* lan_ifname, char* current_wan_ipaddr);
/**
* @brief Blocks SSH connection from WAN IPv6 and LANIPv6 address
*
* @param[in] filter_fp - Pointer to the FILE stream for writing filter table rules.
*
* @return The status of the operation.
* @retval 0 on success.
*
*/

int do_block_lan_access_to_wan_ssh_ipv6(FILE *filter_fp);
#endif
/**
* @brief Apply HUB4 voice IPv4 filter rules.
*
Expand All @@ -319,6 +343,7 @@ int do_hub4_bfd_rules_v4(FILE *nat_fp, FILE *filter_fp, FILE *mangle_fp);
* @retval 0 on success.
*
*/

int do_hub4_voice_rules_v4(FILE *filter_fp);

/**
Expand Down
6 changes: 6 additions & 0 deletions source/firewall/firewall_ipv6.c
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Original file line number Diff line number Diff line change
Expand Up @@ -519,6 +519,12 @@ void do_ipv6_filter_table(FILE *fp){
fprintf(fp, ":lan2wan_pc_service - [0:0]\n");
fprintf(fp, ":wan2lan - [0:0]\n");

#if defined(_SR213_PRODUCT_REQ_) || defined(_HUB4_PRODUCT_REQ_)
if (strcmp ( devicePartnerId, "sky-uk") == 0 || strcmp ( devicePartnerId, "sky-italia") == 0)
{
do_block_lan_access_to_wan_ssh_ipv6(fp);
}
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umasankar098 marked this conversation as resolved.
#endif
#if defined (_HUB4_PRODUCT_REQ_) || defined (_RDKB_GLOBAL_PRODUCT_REQ_)
#if defined (HUB4_BFD_FEATURE_ENABLED) || defined (IHC_FEATURE_ENABLED)
#if defined(_RDKB_GLOBAL_PRODUCT_REQ_)
Expand Down
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