Skip to content

RDKB-62412 LAN SSH dropbear allows wan SSH #191

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
umasankar098 wants to merge 7 commits into
base: develop
Choose a base branch
from
Open

RDKB-62412 LAN SSH dropbear allows wan SSH #191

Changes from all commits
Commits
Show all changes
7 commits
Select commit Hold shift + click to select a range
a8a0afa
RDKB-62412 LAN SSH dropbear allows wan SSH
umasankar096 Jan 27, 2026
902608a
RDKB-62412 LAN SSH dropbear allows wan SSH
umasankar096 Jan 27, 2026
81cf362
RDKB-62412 LAN SSH dropbear allows wan SSH
umasankar096 Jan 27, 2026
42bb7b0
RDKB-62412 LAN SSH dropbear allows wan SSH
umasankar096 Jan 27, 2026
c134036
RDKB-62412 LAN SSH dropbear allows wan SSH
umasankar096 Jan 27, 2026
7b0f731
RDKB-62412 LAN SSH dropbear allows wan SSH
umasankar096 Jan 27, 2026
486613b
RDKB-62412 LAN SSH dropbear allows wan SSH
umasankar096 Jan 27, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
22 changes: 22 additions & 0 deletions source/firewall/firewall.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -10705,6 +10705,24 @@ 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_)
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 brlan0 -d %s -p tcp --dport 10022 -j REJECT\n", current_wan_ipaddr);
FIREWALL_DEBUG("Exiting do_block_lan_access_to_wan_ssh\n");
return(0);
}
#endif

/*
==========================================================================
Ephemeral filter rules
Expand Down Expand Up @@ -13710,6 +13728,10 @@ 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_)
if(isWanReady)
do_block_lan_access_to_wan_ssh(filter_fp);
#endif
#if defined(SPEED_BOOST_SUPPORTED)
WAN_FAILOVER_SUPPORT_CHECK
if(isWanServiceReady)
Expand Down