The following is a collection of Hotline protocol extensions discovered or documented in various third party Hotline clients, servers, and trackers. Please note that some of these may clash with other extensions described here, should you wish to implement them. Some are documented, but unused, however.
This page is an active work in progress and is incomplete.
Hotline Open Protocol Extensions (HOPE)[]
HOPE is implemented primarily in various distributions of HXD. It offers an advanced layer of security over vanilla Hotline using cryptography.
HOPE Transaction Types[]
File Hash (3808)
Initiator: Client
| ID | Field Name |
|---|---|
| 201 | File Name |
| 202 | File Path |
| 203 | File Resume Data |
| 3712 | MD5 Hash |
| 3713 | HAVAL Hash |
| 3714 | SHA1 Hash |
HOPE Transaction Fields[]
Session Key (3587)
MAC Algorithm (3588)
Type: String
Can be one of: "HMAC-MD5", "HMAC-SHA1", "MD5", or "SHA1"
SID (3687)
MD5 Hash (3712)
Type: Binary
HAVAL Hash (3713)
Type: Binary
SHA1 Hash (3714)
Type: Binary
Icon cicn (3728)
Chat Away (3745)
Type: Integer
Server Cipher Algorithm (3777)
Type: String
Can be one of: "BLOWFISH", "IDEA", "RC4", or "NONE" (0)
Client Cipher Algorithm (3778)
Type: String
Can be one of: "BLOWFISH", "IDEA", "RC4", or "NONE" (0)
Server Cipher Mode (3779)
Client Cipher Mode (3780)
Server Cipher IVEC (3781)
Type: Binary
Client Cipher IVEC (3782)
Type: Binary
Server Checksum Algorithm (3783)
Client Checksum Algorithm (3784)
Server Compression Algorithm (3785)
Type: String
Can be one of: "GZIP" or "NONE" (0)
Client Compression Algorithm (3786)
Type: String
Can be one of: "GZIP" or "NONE" (0)
Avaraline extensions[]
Avaraline seems to have additions relating to either custom or animated icons using the GIF format, with a few other additions. HXD has incorporated support for it.
Avaraline Transaction Types[]
Icon list (1861)
Initiator: Client
Set icon (1862)
Initiator: Client
Get icon (1863)
Initiator: Client
Icon change (1864)
Initiator: Server
Link login (2048)
Initiator: Server
Link join (2049)
Initiator: Server
Link leave (2050)
Initiator: Server
Link packet (2051)
Initiator: Server
Get news unformatted (2149)
Initiator: Client
Get user info unformatted (2160)
Initiator: Client
Account self modify (2304)
Initiator: Client
Permission list (2305)
Initiator: Client
Avaraline Transaction Fields[]
GIF Icon (768)
Type: Binary
GIF List (769)
Type: Binary
Offset (793)
Limit (794)
Count (795)
News Limit (800)
Search (1024)
Color (1280)
Type: Integer
Packet (1536)
Post (2048)
Post ID (2049)
Permission Group (2128)
Permissions (2129)
IP Address (2304)
GLoarbLine extensions[]
GLoarbLine is a derivative of the official Hotline source code which adds minimal HOPE support along with new account permissions and some misc. packets
GLoarbLine Transaction Types[]
Icon change (123)
Nickname change (124)
Fake red (125)
Away (126)
myTran_CrazyServer (127)
Block download (128)
Visibility (129)
Admin spector (130)
Standard message (131)
Edit news article (412)
GLoarbLine Transaction Fields[]
Icon ID (117)
Nickname (118)
Fake Red (119)
Away (120)
Block Download (121)
Visible (122)
Admin Spector (123)
Standard Message (124)
GLoarbLine Privilege Bits[]
GLoarbLine introduces a few new privilege bits in addition to the official privilege bits.
All privs on looks like this.
In Hex 'FF F3 CF EF FF FF FE 00' 11111111-11110011-11001111-11111111-11111111-11111111-11111110-00000000
| Bit | Description | New user default |
|---|---|---|
| 12 | Show in user list | |
| 11 | Can close chat | |
| 10 | Can create chat | |
| 21 | Can send private messages | |
| 20 | Can change own password | |
| 46 | Can fake admin | |
| 45 | Can go away | |
| 44 | Can change nickname | |
| 43 | Can change icon | |
| 42 | Can speak before | |
| 41 | Can refuse chat | |
| 40 | Can block downloads | |
| 54 | Can be invisible | |
| 53 | Can view invisible users | |
| 52 | Can flood | |
| 51 | Can view own drop box | |
| 50 | Exempt from queue | |
| 49 | Admin spector | |
| 48 | Can post before |
PHXD extensions[]
Catkiller's PHXD server adds a single addition to Hotline's transaction fields to support an IRC bridge, along with supporting HOPE and Avaraline (mostly).
PHXD Transaction Fields[]
Old IRC Nickname (1024)