diff --git a/cli/flags.go b/cli/flags.go
index 4695d53..b7c2c4e 100644
--- a/cli/flags.go
+++ b/cli/flags.go
@@ -50,6 +50,17 @@ var (
 			EnvVars: []string{"ENABLE_SYMLINK_SUPPORT"},
 			Value:   true,
 		},
+		&cli.StringFlag{
+			Name:    "default-mime-type",
+			Usage:   "specifies the default mime type for files that don't have a specific mime type.",
+			EnvVars: []string{"DEFAULT_MIME_TYPE"},
+			Value:   "application/octet-stream",
+		},
+		&cli.StringSliceFlag{
+			Name:    "forbidden-mime-types",
+			Usage:   "specifies the forbidden mime types. Use this flag multiple times for multiple mime types.",
+			EnvVars: []string{"FORBIDDEN_MIME_TYPES"},
+		},
 
 		// ###########################
 		// ### Page Server Domains ###
@@ -103,19 +114,19 @@ var (
 		// Default branches to fetch assets from
 		&cli.StringSliceFlag{
 			Name:    "pages-branch",
-			Usage:   "define a branch to fetch assets from",
+			Usage:   "define a branch to fetch assets from. Use this flag multiple times for multiple branches.",
 			EnvVars: []string{"PAGES_BRANCHES"},
 			Value:   cli.NewStringSlice("pages"),
 		},
 
 		&cli.StringSliceFlag{
 			Name:    "allowed-cors-domains",
-			Usage:   "specify allowed CORS domains",
+			Usage:   "specify allowed CORS domains. Use this flag multiple times for multiple domains.",
 			EnvVars: []string{"ALLOWED_CORS_DOMAINS"},
 		},
 		&cli.StringSliceFlag{
 			Name:    "blacklisted-paths",
-			Usage:   "return an error on these url paths",
+			Usage:   "return an error on these url paths.Use this flag multiple times for multiple paths.",
 			EnvVars: []string{"BLACKLISTED_PATHS"},
 		},
 
diff --git a/config/assets/test_config.toml b/config/assets/test_config.toml
index 92db152..eda0fc1 100644
--- a/config/assets/test_config.toml
+++ b/config/assets/test_config.toml
@@ -15,6 +15,8 @@ root = 'codeberg.org'
 token = 'XXXXX'
 lfsEnabled = true
 followSymlinks = true
+defaultMimeType = "application/wasm"
+forbiddenMimeTypes = []
 
 [database]
 type = 'sqlite'
diff --git a/config/config.go b/config/config.go
index 0647869..b4321c3 100644
--- a/config/config.go
+++ b/config/config.go
@@ -15,7 +15,7 @@ type ServerConfig struct {
 	HttpServerEnabled  bool
 	MainDomain         string
 	RawDomain          string
-	DefaultBranches    []string
+	PagesBranches      []string
 	AllowedCorsDomains []string
 	BlacklistedPaths   []string
 }
diff --git a/config/setup.go b/config/setup.go
index f0a6ee0..1cfa6ee 100644
--- a/config/setup.go
+++ b/config/setup.go
@@ -86,6 +86,12 @@ func mergeGiteaConfig(ctx *cli.Context, config *GiteaConfig) {
 	if ctx.IsSet("enable-symlink-support") {
 		config.FollowSymlinks = ctx.Bool("enable-symlink-support")
 	}
+	if ctx.IsSet("default-mime-type") {
+		config.DefaultMimeType = ctx.String("default-mime-type")
+	}
+	if ctx.IsSet("forbidden-mime-types") {
+		config.ForbiddenMimeTypes = ctx.StringSlice("forbidden-mime-types")
+	}
 }
 
 func mergeDatabaseConfig(ctx *cli.Context, config *DatabaseConfig) {
diff --git a/config/setup_test.go b/config/setup_test.go
index 5de66a4..975071a 100644
--- a/config/setup_test.go
+++ b/config/setup_test.go
@@ -92,10 +92,12 @@ func TestMergeConfigShouldReplaceAllExistingValuesGivenAllArgsExist(t *testing.T
 					BlacklistedPaths:   []string{"original"},
 				},
 				Gitea: GiteaConfig{
-					Root:           "original",
-					Token:          "original",
-					LFSEnabled:     false,
-					FollowSymlinks: false,
+					Root:               "original",
+					Token:              "original",
+					LFSEnabled:         false,
+					FollowSymlinks:     false,
+					DefaultMimeType:    "original",
+					ForbiddenMimeTypes: []string{"original"},
 				},
 				Database: DatabaseConfig{
 					Type: "original",
@@ -128,10 +130,12 @@ func TestMergeConfigShouldReplaceAllExistingValuesGivenAllArgsExist(t *testing.T
 					BlacklistedPaths:   append([]string{"changed"}, ALWAYS_BLACKLISTED_PATHS...),
 				},
 				Gitea: GiteaConfig{
-					Root:           "changed",
-					Token:          "changed",
-					LFSEnabled:     true,
-					FollowSymlinks: true,
+					Root:               "changed",
+					Token:              "changed",
+					LFSEnabled:         true,
+					FollowSymlinks:     true,
+					DefaultMimeType:    "changed",
+					ForbiddenMimeTypes: []string{"changed"},
 				},
 				Database: DatabaseConfig{
 					Type: "changed",
@@ -169,6 +173,8 @@ func TestMergeConfigShouldReplaceAllExistingValuesGivenAllArgsExist(t *testing.T
 			"--gitea-api-token", "changed",
 			"--enable-lfs-support",
 			"--enable-symlink-support",
+			"--default-mime-type", "changed",
+			"--forbidden-mime-types", "changed",
 			// Database
 			"--db-type", "changed",
 			"--db-conn", "changed",
@@ -302,19 +308,23 @@ func TestMergeGiteaConfigShouldReplaceAllExistingValuesGivenAllArgsExist(t *test
 		t,
 		func(ctx *cli.Context) error {
 			cfg := &GiteaConfig{
-				Root:           "original",
-				Token:          "original",
-				LFSEnabled:     false,
-				FollowSymlinks: false,
+				Root:               "original",
+				Token:              "original",
+				LFSEnabled:         false,
+				FollowSymlinks:     false,
+				DefaultMimeType:    "original",
+				ForbiddenMimeTypes: []string{"original"},
 			}
 
 			mergeGiteaConfig(ctx, cfg)
 
 			expectedConfig := &GiteaConfig{
-				Root:           "changed",
-				Token:          "changed",
-				LFSEnabled:     true,
-				FollowSymlinks: true,
+				Root:               "changed",
+				Token:              "changed",
+				LFSEnabled:         true,
+				FollowSymlinks:     true,
+				DefaultMimeType:    "changed",
+				ForbiddenMimeTypes: fixArrayFromCtx(ctx, "forbidden-mime-types", []string{"changed"}),
 			}
 
 			assert.Equal(t, expectedConfig, cfg)
@@ -326,6 +336,8 @@ func TestMergeGiteaConfigShouldReplaceAllExistingValuesGivenAllArgsExist(t *test
 			"--gitea-api-token", "changed",
 			"--enable-lfs-support",
 			"--enable-symlink-support",
+			"--default-mime-type", "changed",
+			"--forbidden-mime-types", "changed",
 		},
 	)
 }
@@ -340,6 +352,8 @@ func TestMergeGiteaConfigShouldReplaceOnlyOneValueExistingValueGivenOnlyOneArgEx
 		{args: []string{"--gitea-api-token", "changed"}, callback: func(gc *GiteaConfig) { gc.Token = "changed" }},
 		{args: []string{"--enable-lfs-support"}, callback: func(gc *GiteaConfig) { gc.LFSEnabled = true }},
 		{args: []string{"--enable-symlink-support"}, callback: func(gc *GiteaConfig) { gc.FollowSymlinks = true }},
+		{args: []string{"--default-mime-type", "changed"}, callback: func(gc *GiteaConfig) { gc.DefaultMimeType = "changed" }},
+		{args: []string{"--forbidden-mime-types", "changed"}, callback: func(gc *GiteaConfig) { gc.ForbiddenMimeTypes = []string{"changed"} }},
 	}
 
 	for _, pair := range testValuePairs {
@@ -347,10 +361,12 @@ func TestMergeGiteaConfigShouldReplaceOnlyOneValueExistingValueGivenOnlyOneArgEx
 			t,
 			func(ctx *cli.Context) error {
 				cfg := GiteaConfig{
-					Root:           "original",
-					Token:          "original",
-					LFSEnabled:     false,
-					FollowSymlinks: false,
+					Root:               "original",
+					Token:              "original",
+					LFSEnabled:         false,
+					FollowSymlinks:     false,
+					DefaultMimeType:    "original",
+					ForbiddenMimeTypes: []string{"original"},
 				}
 
 				expectedConfig := cfg
@@ -358,6 +374,8 @@ func TestMergeGiteaConfigShouldReplaceOnlyOneValueExistingValueGivenOnlyOneArgEx
 
 				mergeGiteaConfig(ctx, &cfg)
 
+				expectedConfig.ForbiddenMimeTypes = fixArrayFromCtx(ctx, "forbidden-mime-types", expectedConfig.ForbiddenMimeTypes)
+
 				assert.Equal(t, expectedConfig, cfg)
 
 				return nil
diff --git a/server/handler/handler.go b/server/handler/handler.go
index 6bbed5d..96788e4 100644
--- a/server/handler/handler.go
+++ b/server/handler/handler.go
@@ -96,7 +96,7 @@ func Handler(
 			log.Debug().Msg("subdomain request detected")
 			handleSubDomain(log, ctx, giteaClient,
 				cfg.MainDomain,
-				cfg.DefaultBranches,
+				cfg.PagesBranches,
 				trimmedHost,
 				pathElements,
 				canonicalDomainCache, redirectsCache)
@@ -106,7 +106,7 @@ func Handler(
 				cfg.MainDomain,
 				trimmedHost,
 				pathElements,
-				cfg.DefaultBranches[0],
+				cfg.PagesBranches[0],
 				dnsLookupCache, canonicalDomainCache, redirectsCache)
 		}
 	}
diff --git a/server/handler/handler_test.go b/server/handler/handler_test.go
index daa799a..4cb859a 100644
--- a/server/handler/handler_test.go
+++ b/server/handler/handler_test.go
@@ -27,7 +27,7 @@ func TestHandlerPerformance(t *testing.T) {
 			"/.well-known/acme-challenge/",
 		},
 		AllowedCorsDomains: []string{"raw.codeberg.org", "fonts.codeberg.org", "design.codeberg.org"},
-		DefaultBranches:    []string{"pages"},
+		PagesBranches:      []string{"pages"},
 	}
 	testHandler := Handler(serverCfg, giteaClient, cache.NewInMemoryCache(), cache.NewInMemoryCache(), cache.NewInMemoryCache())
 
diff --git a/server/startup.go b/server/startup.go
index 286726a..9036535 100644
--- a/server/startup.go
+++ b/server/startup.go
@@ -55,7 +55,7 @@ func Serve(ctx *cli.Context) error {
 		cfg.Server.MainDomain = "." + cfg.Server.MainDomain
 	}
 
-	if len(cfg.Server.DefaultBranches) == 0 {
+	if len(cfg.Server.PagesBranches) == 0 {
 		return fmt.Errorf("no default branches set (PAGES_BRANCHES)")
 	}
 
@@ -103,7 +103,7 @@ func Serve(ctx *cli.Context) error {
 		cfg.Server.MainDomain,
 		giteaClient,
 		acmeClient,
-		cfg.Server.DefaultBranches[0],
+		cfg.Server.PagesBranches[0],
 		keyCache, challengeCache, dnsLookupCache, canonicalDomainCache,
 		certDB,
 	))